Describir: The theory and practice of reinforced concrete.

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