Describir: The theory and practice of reinforced concrete.

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\ \\ / //  /_   _//   ____    | || | || |      \\  |  ___|| |  __ \\  
 \ \/ //    -| ||-   |    \\  | || | || |  --  //  | ||__   | |  \ || 
  \  //     _| ||_   | [] ||  | \\_/ || |  --  \\  | ||__   | |__/ || 
   \//     /_____//  |  __//   \____//  |______//  |_____|| |_____//  
    `      `-----`   |_|`-`     `---`   `------`   `-----`   -----`   
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