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Blackboards are an essential tool in many classrooms, providing a surface for teachers to write notes, equations, and other information for students to see. While the use of blackboards has been largely replaced by digital whiteboards and other high-tech tools in some schools, they are still a common and effective teaching aid in many parts of the world. As I mentioned earlier, blackboards are typically made from synthetic materials like porcelain enamel or laminate, which are more durable and easier to clean than stone. Steel is sometimes used as a base material for blackboards, but it is coated with a layer of porcelain enamel to create a smooth, non-porous writing surface. Porcelain enamel is a type of glass that is fused onto the steel surface at high temperatures. This creates a hard
$ 1000 - 950 /Others
$ 1000 - 950 /Others
$ 1000 - 950 /Others
$ 1000 - 950 /Others
$ 1000 - 950 /Others
$ 1000 - 950 /Others
$ 1000 - 950 /Others
$ 1000 - 950 /Ton
$ 1000 - 950 /Others
$ 1000 - 950 /Others
$ 1000 - 950 /Others
$ 1000 - 950 /Others
$ 1000 - 950 /Others
$ 1000 - 950 /Others
$ 1000 - 950 /Others
$ 1000 - 950 /Others
$ 1000 - 950 /Others
$ 1000 - 950 /Others
$ 1000 - 950 /Others
Garage Doors
Garage Doors
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Factory
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Factory
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Team outing
Team outing
Team outing
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.