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yorcko · 1 year
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ʕ•̫͡•ʔesmi cum pleaños
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astpipes · 1 month
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Quality Steel Solutions: Meeting Diverse Needs
From IS 3183 tubes to CR full hard pipes, our range caters to varied requirements. CR soft tubes and pipes offer flexibility, while CRCA tubes ensure corrosion resistance. Pre-galvanized tubes provide added durability, and Special ERW sections address unique project demands. IS9292 tubes adhere to stringent standards, guaranteeing reliability. Trust in our comprehensive selection, including IS 9292 tubes, to deliver top-quality solutions for your diverse steel needs.
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kstel · 10 months
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Raising the Bar in Construction: Unlocking the Potential of Sail TMT Bars
https://ksteelw.blogspot.com/2023/06/raising-the-bar-in-construction-unlocking-the-potential-of-sail-tmt-bars.htmlThe construction industry is constantly evolving, with new technologies and materials emerging to improve the strength, durability, and sustainability of structures. One such innovation that is revolutionizing the construction sector is the Sail TMT bar. These bars, made from thermo-mechanically treated (TMT) steel, are setting new benchmarks in construction due to their superior quality, strength, and versatility. In this blog post, we will delve into the potential of Sail TMT bars and how they are raising the bar in the construction industry.
Superior Strength and Durability
Sail TMT bars are renowned for their exceptional strength and durability. Through a meticulous process of heat treatment, the bars are subjected to intense heating and rapid cooling, resulting in a fine-grained microstructure. This process imparts remarkable strength to the bars, making them highly resistant to external forces, including seismic activities.
The inherent strength of Sail TMT bars allows for the construction of structures that can withstand extreme conditions and provide enhanced safety to occupants. Their high ductility ensures that the bars can bend without fracturing, making them ideal for earthquake-prone regions. Additionally, the ability of Sail TMT bars to absorb energy during seismic events reduces the risk of structural damage, further enhancing the safety of buildings.
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Versatility in Construction
Sail TMT bars offer versatility in construction, making them suitable for a wide range of applications. These bars are available in various grades, allowing architects and engineers to choose the most suitable one for their specific project requirements. Whether it's constructing high-rise buildings, bridges, dams, or even individual homes, Sail TMT bars provide the necessary strength and structural integrity to ensure the longevity of the structure.
Furthermore, Sail TMT bars come in different diameters, enabling flexibility in design and construction. The bars can be easily bent, cut, and shaped to meet the unique demands of different architectural styles, giving architects the freedom to create aesthetically pleasing structures without compromising on strength and durability.
Corrosion Resistance and Longevity
Corrosion is one of the most significant challenges faced by the construction industry, leading to the deterioration and weakening of structures over time. Sail TMT bars are manufactured with a corrosion-resistant surface, offering superior protection against rust and other forms of degradation. The bars are coated with a specially formulated protective layer that prevents moisture and other corrosive elements from reaching the inner core, ensuring the longevity of the structure.
The corrosion-resistant properties of Sail TMT bars reduce the need for frequent maintenance and repairs, resulting in significant cost savings over the lifespan of a structure. Additionally, their extended lifespan makes them an environmentally friendly choice, as they contribute to sustainable construction practices by reducing the need for frequent replacements.
Environmentally Conscious Construction
In an era where sustainable construction practices are gaining momentum, Sail TMT bars have emerged as a frontrunner in environmentally conscious building materials. The manufacturing process of Sail TMT bars involves recycling and reusing steel, reducing the demand for new raw materials. This not only conserves natural resources but also minimizes the carbon footprint associated with steel production.
Furthermore, Sail TMT bars are 100% recyclable at the end of their lifecycle, making them a sustainable choice for future generations. By incorporating Sail TMT bars into construction projects, builders and developers can contribute to green building initiatives and achieve LEED (Leadership in Energy and Environmental Design) certifications.
Conclusion
Sail TMT bars have emerged as a game-changer in the construction industry, raising the bar in terms of strength, durability, versatility, and sustainability. Their superior strength and ductility make them ideal for seismic regions, providing enhanced safety to structures and occupants. The versatility of Sail TMT bars allows architects and engineers to explore innovative designs without compromising on structural integrity. The corrosion resistance and longevity of these bars ensure that structures remain robust and durable over time, while their environmentally friendly attributes align with sustainable construction practices.
As the construction industry continues to evolve, embracing advancements like Sail TMT bars paves the way for safer, stronger, and more sustainable structures. By unlocking the full potential of Sail TMT bars, we can construct buildings that not only meet the demands of today but also stand the test of time and contribute to a greener future.
Source: https://ksteelw.blogspot.com/2023/06/raising-the-bar-in-construction-unlocking-the-potential-of-sail-tmt-bars.html
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diamondscreens · 1 year
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Diamond Screens: India's leading manufacturer of galvanized and CRCA steel cable trays for electrical wiring, cabling and communication systems.
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blogkida · 1 year
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What is Pre painted Galvanized Iron (ppgi) ?
Galvanized iron is a popular material for fencing, gates, and other structures. It's strong and durable, making it a good choice for outdoor projects. But what are the benefits of buying pre-painted galvanized iron? Now, we will explore the benefits of pre-painting galvanized iron. From saving time on painting to ensuring consistent color throughout the structure, read on to learn everything you need to know about this popular material.
What is galvanized iron?
Galvanized iron is a rust-resistant material that has been coated in a layer of zinc. This coating makes galvanized iron difficult to rust and makes it resistant to corrosion. One can easily look to buy stainless steel sheet online at affordable prices.
Types of galvanized iron
Pre-painted galvanized iron (ppgi) is a great option for homeowners and businesses who want to update their exterior without doing any of the painting themselves. PPGI can be used on roofs, balconies, doors, windows, and more. Some of the benefits of using PPGI include the following:
-No painting required: PPGI is pre-painted and comes in various colors and designs, so you don't have to worry about the paint job afterward.
-Uniform finish: Thanks to its pre-painted finish, you'll get a uniform look across your entire frame.
-Durable: PPGI is made from durable steel that will last for years.
If you're looking for an affordable way to update your exterior look, then gp sheet is the perfect option. With so many colors and designs available, there's sure to be one that suits your needs.
Benefits of buying ppgi
Pre-painted galvanized iron (PPGI) is a great option for DIYers and homeowners who want to protect their property from the elements. Here are some of the benefits of buying PPGI:
-PPGI is weatherproof so that it can withstand harsh weather conditions.
-It's affordable, so you can buy as much or as little as you need.
-PPGI is easy to install, so that you can install it quickly and easily.
-PPGI has a long lifespan, so that it will last for years.
-ppgi is durable and can last for many years.
-ppgi is easy to maintain and requires little maintenance.
-ppgi has a matte finish that looks great and makes it resistant to corrosion.
Disadvantages of using ppgi
There are a few disadvantages to using ppgi in your construction project. The main disadvantage is the price - ppgi is usually more expensive than other types of metal. Additionally, ppgi is not corrosion resistant, so it requires special care when painting and protecting it from weathering. Finally, ppgi is less strong than other metals, so it may not be suitable for use in high-traffic areas or structures that need to support heavy loads.
Conclusion If you are looking for a cost-effective way to protect your property from the elements, then pre-painted galvanized iron (ppgi) might be the right solution.
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mariacallous · 2 months
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A BIRN analysis of hundreds of videos uploaded by TikTok users in eight Balkan countries shows the platform has become a hub for abuse of women and girls based on their appearance and actual or perceived sexual behaviour - ‘slutshaming’.
Seven years ago, when she was 13, Nora took a picture of herself in the mirror, wearing sports shorts and top after basketball practice, and shared it with her friends on Snapchat. It was when a boy from another class in her Kosovo school reshared the picture - without her consent - that the abuse began.
Attacked by older girls, sexualised by boys, the ‘slutshaming’ spread from one social media platform to another.
“The shaming and targeting were a heavy burden, especially for a 13-,14-year-old child,” Nora [not her real name] told BIRN.
Nora agreed to speak after responding to an online BIRN questionnaire concerning slutshaming – a phenomenon defined by the European Institute for Gender Equality, EIGE, as “stigmatising women and girls on the basis of their appearance, sexual availability, and actual or perceived sexual behaviour”.
Sipping tea on a cold December day in Pristina, she said the abuse had restarted, this time on TikTok, where an account with over 3,300 followers and 96,000 likes had taken photos of her and her boyfriend from their social media profiles and reshared them as video slideshows with derogatory comments.
As of February, the account featured 142 videos with more than eight million views, in many cases abusing Kosovo girls or women, including Nora and her friends.
Based on content analysis and interviews with experts, BIRN has found that TikTok is being used across the Balkans to abuse women and girls for the most ordinary of activities – taking pictures, making videos, going out or dancing.
Over the course of several weeks, BIRN identified 427 videos posted between September 2020 and November 2023 and which ‘slutshame’ girls and women; the videos were shared by accounts in Kosovo, Albania, Bosnia and Herzegovina, Croatia, Montenegro, North Macedonia, Serbia, and Slovenia. In total, the videos have been viewed more than 30 million times, each garnering dozens, sometimes hundreds of abusive comments.
None of the eight countries analysed defines cyberbullying as a separate criminal offence, meaning that slutshaming must be punished under other criminal violations such as gender-based hate speech, stalking, or the unauthorised sharing of someone else’s photos.
In late October, the European Parliament’s women’s rights and gender equality committee called for the phenomenon to be defined within legislation on hate speech and hate crime. Of the eight countries analysed for this story, only Croatia and Slovenia are members of the EU.
Altin Hazizaj, the executive director of the NGO Children’s Human Rights Centre of Albania, CRCA, which combats cyber violence against minors, told BIRN that the first slutshaming case reported to its hotline ‘I Sigurt’ [Safe] happened on YouTube in 2016. But TikTok has since taken over.
“The more popular the platform, the more cases of slutshaming and online sexual violence against children there will be,” said Hazizaj. Frequently, the perpetrator knows the person they are targeting and the motive is to “conquer” them.
TikTok did not respond to requests for comment.
When everyday activities attract abuse
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Illustration. The 427 TikTok videos analysed by BIRN fall into four categories:direct targeting of random users or women and girls (318 videos), slutshaming culture (51 videos), videos taken in public places (30 videos), and slutshaming of public figures (18 videos). BIRN via Canva
The content BIRN identified includes photos or videos of women and girls engaged in ordinary, everyday activities, virtually or in real life, including dancing, singing, hanging out, or taking part in social media trends.
In most cases, the targets were also shamed and called derogatory names by other users who left comments.
One of the videos BIRN analysed featured Nora and her friends taking part in a TikTok lip-syncing trend that was re-shared without their consent and with specific insults for each individual. The abusive language carried over into the subsequent comments.
“No matter how many times we report it, the account has not been closed down,” said Nora. “With Instagram it was different because usually we could close the accounts after a number of individuals reported it.”
In neighbouring Albania, a woman who has over 1,000 followers and 75,000 views on TikTok regularly takes aim at female public sector employees, accusing them of using sex to climb the career ladder.
Six of the videos identified by BIRN featured random women dancing in nightclubs.
The methodology
Using a method based on Bellingcat’s Hashtag Analysis Algorithm and personalised for BIRN by Albanian IT experts Klodian Maloku and Erjon Curraj of Science & Innovation for Development, BIRN employed hashtag analysis for the word ‘kurve’, meaning ‘slut’ in most of the languages spoken in the countries of the Balkans. BIRN used direct search and TikTok’s own machine learning algorithm and also gathered the personal testimonies of women and non-binary persons via its Engaged Citizens Reporting tool, ECR.
A total of 427 videos from 43 TikTok accounts were identified from eight Balkan countries, shared on TikTok from September 2020 to November 2023.
BIRN used Google Lens to assist in identifying the language and translating the captions in the photos/videos, content descriptions, and/or comments.
The videos can be divided into four categories: – direct targeting of private/random users or individuals, mostly women and girls – derogatory videos of women and girls in public places – shaming for the perceived immorality of actions and/or clothing of public figures (mostly women) – general slutshaming content
BIRN identified and analysed the videos between mid-December 2023 and late January 2024. During this period an account in Montenegro and one in Slovenia deleted all its content.
Three-quarters of the videos, 318, targeted random TikTok users or persons by mainly re-posting videos. They included explanations of why their targets, mostly women and/or girls, deserve to be called ‘sluts’. The majority of the comments are supportive of the accounts and add to the cyberbullying.
BIRN concluded that 50 of these videos directly slutshame girls between the ages of 12 and 17 and 44 included homophobic and racial slurs.
Fine Line Between Virtuality and Reality
Experts and victims say slutshaming can seriously harm the mental health of those targeted.
On February 12 this year, police in Albanian said they had arrested a 39-year-old man for “causing the suicide” of a 27-year-old woman.
“This citizen allegedly published an intimate photo (on TikTok) of the 27-year-old woman, who threw herself from a 4th floor terrace allegedly for this reason and died as a result of her injuries,” the police said.
Local media then proceeded to republish the photo, drawing condemnation from women’s rights groups.
Just a month earlier, another woman in Albania, 41-year-old Bedrie Loka, died after drinking a poisonous toxin. Initially, the cause of her suicide was attributed to derogatory content targeting Loka on TikTok via an account that media later reported was set up by her cousin.
Days later, however, Loka’s husband, Xhemal, was arrested on suspicion of “causing suicide”. Local media published videos, made by their children, of Xhemal abusing his wife; reports quoted the children saying their father had frequently threatened her.
The impact of slutshaming or other forms of gender-based violence on mental health is the same whether it happens online or offline, said Bind Skeja, executive director of the Kosovo-based Centre for Information and Social Improvement, which works on mental health issues.
“Individuals who start to think about suicide are usually in a situation where they feel there is no way out,” Skeja said. Invariably, the responsibility to find a way out falls on the victim, when it should be on society and mental health professionals, he told BIRN.
“We should deal with the perpetrators in a proactive manner; mental health work should directly involve removing risk factors”.
One respondent to the BIRN questionnaire, a non-binary person in North Macedonia, said ongoing slutshaming had caused them “depression; anxiety; a vicious cycle of unhealthy romantic relationships; and also trauma”.
“I was exposed on social media with photos which were considered to be ‘provocative’ and many people were sharing them, including online media, as back then I was part of a student movement in my home country.”
Nora, who was first targeted when she was 13, said her family supported her, but other families had taken a different approach.
“Many girls I know, since their families found out about the slutshaming, have been under strong parental control and their mental health deteriorated,” she said.
Legal limitations
Neither slutshaming nor cyberbullying is a separate criminal violation in any of the eight countries covered by this article, but they can be tackled under legislation covering other violations.
Often, however, the authorities only act when it is already too late.
On February 19, Albanian Interior Minister Taulant Balla met TikTok’s Director of Public Policy and Government Relations for Central and Eastern Europe, Jakub Olek, to request a contact point for Albanian police and increased monitoring of Albanian-language content.
In the wake of Loka’s suicide, Albanian Justice Minister Ulsi Manja took to Facebook to call on Albanian society to react to cyberbullying, “starting from our children and families, and not wait for the next victim after Bedrie Loka; as a state we should review our laws”.
Laws can be “easily fixed”, Hazizaj said. But in most cases “institutions are not capable of offering protection due to limitations in human capacities, which increases the lack of trust in institutions”.
Nora told BIRN that, in her case, at least six people had tried to report the abusive accounts to the Kosovo police. The response is always the same, she said: “The IP addresses of the accounts’ owners cannot be detected without direct contact with the account.”
Hate speech based on gender or sexual orientation features in the criminal codes of Montenegro, North Macedonia and Kosovo; Albania’s refers only to hate speech based on sexual orientation; in Montenegro, the criminal code mentions hate speech based on gender or sexual orientation only as “aggravating” factors.
In North Macedonia, Nikola Prokopenko, a state counsellor in the justice ministry, said that parliament had amended the Criminal Code in February 2023 to criminalise ‘cyberbullying and gender-based violence’ under ‘Endangering security’, ‘Stalking’, ‘Sexual harassment’, ‘Causing national, racial or religious hate, discord and intolerance’, and ‘Spreading Racist and Xenophobic Material by Means of Computer System’.
Petra Cop, public relations officer at the Slovenian justice ministry, told BIRN that “cyberbullying is determined in the Criminal Code as the criminal offence of stalking”.
Rolanda Stafa, information rights coordinator at Albania’s justice ministry, told BIRN that “the criminal legislation does not expressly provide for cyberbullying as a criminal violation,” adding that it also “does not categorise concrete criminal violations based on gender”. Criminal acts of “Insult”, “Defamation”, “Unfair interference in private life”, and “Stalking” are punishable even in “cases of online postings, comments, or in any other form that may affect the dignity and the morals of a person of any gender,” Stafa said.
Montenegro and Serbia also have criminalised stalking by ‘other means of communication’. Kosovo has a similar explanation under the criminal violation Harassment.
Cop, from the Slovenian ministry, said that “certain aspects of cyberbullying may also be covered by the criminal offence of criminal coercion and criminal offence of threat, depending on the actual situation of specific cases”. Moreover, “in connection with gender based violence, the criminal offence of public incitement to hatred, violence or intolerance… even if it is committed by publication in mass media or on the websites… is relevant,” Cop said in an emailed reply to BIRN.
The Croatian justice ministry told BIRN that cyberbullying falls under several criminal violations defined in the Croatian Criminal Code, including Threat, Intrusive Behaviour, Insult, Defamation, Violation of a Child’s Privacy, Public incitement to Violence and Hatred. The perpetrator faces more severe punishment if the crime is committed through “the press, radio, television, computer system or network, at a public meeting or in another way and becomes accessible to a larger number of people,” the ministry said in an emailed response.
The justice ministries of Bosnia and Herzegovina, Montenegro, Kosovo and Serbia did not respond to requests for comment. All four countries have criminalised the ‘Unauthorised Publication and Presentation of another’s Texts, Portraits and Recordings’.
Croatia and Montenegro have criminalised the ‘Unauthorised Use of Personal Data’.
As for Bosnia and Herzegovina, neither state-level law nor law at the level of the country’s two entities recognise cyberbullying as a term, said legal expert Aleksandar Jokic.
“But this can be covered with various crimes prescribed by those [Criminal] Codes,” Jokic told BIRN. “It is matter for the prosecutor whether each act of cyberbullying will be prosecuted or not. Not every act of cyberbullying could be qualified as a crime.” Bosnia’s Republika Srpska entity has criminalised the ‘unauthorised publication and display of other people’s writing, portraits and recordings’.
Fisnik Xhelili, from the NGO Mollekuqja in North Macedonia, said state institutions “are not doing enough because in the digital world the regulations are not well defined in our country, and even where there are regulations in place, they are not properly implemented”.
Victims of gender-based violence with whom his NGO is in touch say police told them to “just go home”, Xhelili told BIRN.
“Comments and perpetrator support hurt me most”
Nora’s plight has also hit her younger sister, who has been bullied at school because of the TikTok content targeting her sibling.
The abusive account is still online, and still receiving words of encouragement from followers.
“What kills me the most is when I see comments that deal with rumours. Instead of reporting the account to close it down, they give it material to continue,” she said.
“The account took a photo of my best friend from her social media and shared it together with the photo of a boy, praising him and calling her very disgusting names. People in the comments love it but she doesn’t even know him”.
Besarta Breznica, gender-based violence programme officer at the NGO Kosovo’s Women Network, said that “women and non-binary persons are often blamed based on the way they dress or behave, which adds to the rape culture and is preceded by a patriarchal mentality”.
Indeed, Hazizaj from Albania told BIRN that in many cases they found out that the slutshamers were a group of boys who would sexually harass the girls in real life.
“It starts with slutshaming to be able to reach them physically, so it is often the step before potential rape,” he said.
According to Breznica, besides the lack of a legal framework, “the victims have difficulty talking about this type of violence in the family and an even harder time reporting it to the authorities”.
The non-binary person who responded to BIRN’s questionnaire said they had not told their parents or legal guardians or any other family members.
“I was afraid they would blame me; they wouldn’t understand,” they said.
According to Skeja, the more the content gathers engagement, the greater the fear felt by the victims that their family might find out, leading to them feeling “pressured and oppressed” over photos they may have felt originally “empowered” by.
In most cases, said Hazizaj, when the abuse is criminal, the victims are too afraid to go to the police.
“My father will kill me,” he quoted many as saying. Without communication within the family, the victim bears the burden of the bullying alone.
“It is not only online shaming, but in the family, in work, and so on,” he said.
Nora said she fears for the future.
“What bothers me more at this point is that it is happening continuously, currently on a larger scale,” she told BIRN. “What will happen when I try to become part of the labour force and they see this content with one simple search online?”
“It is systematic, the same words, the same targeting, the same humiliation over and over again”.
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froggyreich · 8 months
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Nazis with cats day 27: an Estonian SS-Unterscharführer with Nina the bunker cat of the 20th Waffen SS Grenadier division in Narva, Estonia, crca 1944.
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woodbine-in · 3 months
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In a groundbreaking move, Woodbine, a distinguished brand by Dhansri Infrax Private Limited, introduces Desk Benches designed to redefine the learning experience across schools, colleges, training institutes, and world-class educational institutions.
- Meticulously crafted with MS Powder Coated Frame, the tabletop, seat, and back showcase precision engineering using Prelaminated Particle Board, ensuring durability and a conducive study environment.
- Practicality meets innovation with a built-in bookshelf under the desktop, providing a designated space for stationery and enhancing organizational efficiency.
- Choose from a variety of colors (Powder Coat Shades) that seamlessly match the theme of classrooms, creating visually appealing and harmonious learning environments.
- Modesty panels with perforated CRCA MS, powder-coated in preheated chambers after surface treatment, ensure a hygienic and odor-free seating solution.
- The surface treatment enhances the total lifespan of metal components, reflecting Woodbine's commitment to quality and durability.
- Suited for educational institutions worldwide, Woodbine's Desk Benches cater to the diverse needs of modern learning environments.
- Elevate your learning spaces! Browse our innovative Desk Benches
- Schools, colleges, and institutes, partner with us to redefine your classrooms.
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microsheetcrafts · 8 months
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Buy Supermarket Wall Side Racks from Micro Sheet Crafts
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Effortlessly conquer clutter with our Supermarket Wall Side Racks! These versatile racks are designed to adapt to your unique storage needs. Crafted from durable Mild CRCA Powder Coated material, these racks are built to last. The wall rack design maximizes floor space, making them ideal for homes, offices, or retail stores. Plus, you can customize them to suit your preferences, and they come with a 10-year warranty for added peace of mind. Say hello to an organized, clutter-free space – order now!🛒
Visit at - https://www.displayrackmanufacturer.com/supermarket-wall-side-racks.html
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narangmedical · 9 months
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The NET brand HF482B - Stretcher Trolley Deluxe is a high-quality product featuring a removable stretcher top with fixed height, a CRCA tube frame, 150mm castors for easy movement, provision of a saline stand, swing down railing, and a cylinder cage, with dimensions of L 2100 x W 560 x H 810 mm.
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fenninsurance1 · 2 years
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The Risky World of a Roofing Contractor
A summary of a speech delivered by Simon Fenn at the CRCA 2015 AGM
This article reviews historical issues affecting the roofing industry; roofing liability claims; insurable and uninsurable risk in roofing specifically and introduces an explanation of the risk management process, on the opinion that the ICI roofing industry must at all times embrace disciplined risk management if it wishes to improve insurance availability.
Despite the best efforts of the ICI roofing industry, roofing remains a difficult class of business with which Insurers must grapple: many mainstream insurers still choose to walk away. Don’t be misled, many brokers will still call seeking opportunities to quote your insurance but by comparison there remain very few insurers willing to consider a roofing contractors’ business. Whilst the cost of general insurance today for the roofing industry is more affordable, the insurance industry is cyclical and the availability of insurers, coverage, capacity, and competitive pricing will become a challenge again. It is essential; no, it is critical that roofing contractors infuse the disciplined practice of risk management within their corporate culture.
Learn more: https://www.fenninsurance.com/
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astpipes · 1 month
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Our inventory includes IS3183 pipes and CRCA tubes, ensuring strength and durability. CR soft tubes offer flexibility, while pre-galvanized pipes provide corrosion resistance. Special ERW sections meet specific project requirements, and IS9292-certified options guarantee quality. Trust our range to deliver reliability and performance, meeting the demands of your projects with precision and efficiency.
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kiindustries021 · 12 hours
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COMMON FEATURES :
Up to 96 to 98 percent efficiency
Booth constructed of CRCA Sheets and powder coated with liquid paints to assure rust-free surfaces for many years.
The cyclone is made of new CRCA sheets that have been coated to give a smooth surface for efficient powder movement in the cyclone chamber.
The cyclone structure was designed with a unique 'break-down' design that allows for quick and comprehensive cleaning for rapid colour changing
When employing a large variety of colours with frequent colour changes, our Powder Recovery Booth is ideal
Booth and Cyclone have adaptable linkages.
Forever maintenance-free years of faultless performance.
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jlmeb · 18 days
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13 Avril 2023 Docteur Aurore Avarguès-Weber Intelligence des Abeilles Révolutions et Perspectives from Jlmeb on Vimeo.
13 avril 2023 L'Intelligence collective des abeilles
Docteur Aurore Avarguès-Weber Centre de Recherches sur la Cognition Animale (CNRS, Université Toulouse 3) 118 Route de Narbonne 31062 Toulouse Cedex 9 Université Toulouse-III-Paul-Sabatier (doctorat) (jusqu'en 2010) Queen Mary University of London École normale supérieure Paris-Saclay Neurobiologiste, éthologue
conférence jeudi 13 avril 2023 19h00 Salle du Sénéchal 17 rue de Rémusat 31000 Toulouse
Les abeilles sont des animaux fascinants.
Elles sont connues pour leur intelligence collective : communication symbolique, organisation du travail, construction optimale… mais difficile d’imaginer que chaque ouvrière de la ruche soit elle-même douée d’une forme élaborée d’intelligence, et ce, malgré un cerveau minuscule et une durée de vie de quelques semaines uniquement.
Or, les abeilles s'avèrent bel et bien capables non seulement d’apprendre mais aussi de compter, de classer des objets, de reconnaître des visages humains, de juger de leurs propres capacités de réussite face à un exercice difficile ou encore d’éprouver une certaine forme d’émotion, entre autres exemples de découvertes récentes.
Ces preuves de capacités de raisonnement remettent en cause le dogme du caractère inné et réflexe des comportements des insectes ainsi que le lien direct entre intelligence et taille du cerveau.
Lors de cette conférence, je vous présenterais quelques-unes des capacités étonnantes de ces insectes pollinisateurs, tout en décrivant les méthodes d'études permettant d'entrouvrir le voile sur l'intelligence des abeilles et discuterai de l'impact scientifique, philosophique et écologique de ces découvertes.
Aurore Avarguès-Weber, née en 1983 à Givry en Saône-et-Loire, est une chercheuse en neurosciences cognitives et éthologue française qui étudie le comportement des abeilles au Centre de recherche sur la cognition animale de Toulouse. Elle est lauréate d'un du prix L'Oréal-Unesco pour les femmes et la science, ainsi que de la médaille de bronze du CNRS.
Elle est originaire de Givry, en Saône-et-Loire, et effectue ses études secondaires à Chalon-sur-Saône.
Elle intègre ensuite l'École normale supérieure de Cachan (Val-de-Marne). En 2010, elle soutient une thèse sur l'intelligence visuelle des abeilles sous la direction de Martin Giurfa (CRCA – Toulouse), intitulée « Cognition visuelle chez l'abeille Apis mellifera : catégorisation par extraction de configurations spatiales et de concepts relationnels ».
Elle poursuit sa formation à la Queen Mary University à Londres (Royaume-Uni), où elle est boursière de la Fondation Fyssen, et à Gif-sur-Yvette sous la direction de Jean-Chrisophe Sandoz.
Aurore Avarguès-Weber est biologiste au CNRS à l'Institut des sciences du cerveau, de la cognition et du comportement de Toulouse (ISC3T). Ses travaux de neurosciences cognitives portent sur l'intelligence des insectes sociaux principalement l'Abeille domestique mais aussi les bourdons, les guêpes et les frelons. Ils se situent dans la continuité des découvertes de l'éthologue allemand Karl von Frisch du milieu du XXe siècle, précurseur de la compréhension du comportement des abeilles. Elle démontre avec ses collègues les capacités d'abstraction de ces animaux notamment la catégorisation de leur environnement (un arbre, une fleur) et les relations des éléments entre eux (plus grand, au-dessus). Elle démontre également avec une équipe australienne que les abeilles sont capables de compter jusqu'à 5, de faire des additions et des soustractions basiques et de comprendre le concept du zéro à l'instar des primates.
En 2015, elle a reçu une bourse internationale du talent émergent, l'un des prix L'Oréal-UNESCO pour les femmes dans la science pour sa recherche sur les mécanismes cérébraux de l'intelligence visuelle des insectes sociaux. La bourse, d'un montant de 20 000 €, doit permettre l’acquisition d’un simulateur de vol pour les abeilles. Finalement, cet outil auto-construit devient un simulateur de marche où l'abeille se déplace sur une balle en polystyrène roulant sur un flux d'air dans un environnement virtuel. Il permet ainsi de mesurer les mécanismes cognitifs du cerveau de l'abeille lors de ses prises de décision.
En 2019, elle est lauréate de la médaille de bronze du CNRS.
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