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 __   _      ___      _  __    ______    _  __  
| || | ||   / _ \\   | |/ //  /_   _//  | |/ // 
| '--' ||  | / \ ||  | ' //    -| ||-   | ' //  
| .--. ||  | \_/ ||  | . \\    _| ||_   | . \\  
|_|| |_||   \___//   |_|\_\\  /_____//  |_|\_\\ 
`-`  `-`    `---`    `-` --`  `-----`   `-` --`

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Text this: Fabrication of glass foams from industrial wastes used as insulating board