Describir: Laboratory work for students of construction

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|  __ \\   /_   _// | |  | ||  /_   _// |  __ \\   \ \\/ //  /  ___|| 
| |  \ ||   -| ||-  | |/\| ||   -| ||-  | |  \ ||   \ ` //  | // __   
| |__/ ||   _| ||_  |  /\  ||   _| ||_  | |__/ ||    | ||   | \\_\ || 
|_____//   /_____// |_// \_||  /_____// |_____//     |_||    \____//  
 -----`    `-----`  `-`   `-`  `-----`   -----`      `-`'     `---`   
                                                                      
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