Describir: The theory and practice of reinforced concrete.

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