Describir: The theory and practice of reinforced concrete

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| \  / || | || | ||  | |/ //  |  ___||  |__  //   /_   _//   ____     /_   _// 
|  \/  || | || | ||  | ' //   | ||__      / //     -| ||-   |    \\    -| ||-  
| .  . || | \\_/ ||  | . \\   | ||__     / //__    _| ||_   | [] ||    _| ||_  
|_|\/|_||  \____//   |_|\_\\  |_____||  /_____||  /_____//  |  __//   /_____// 
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