Describir: The theory and practice of reinforced concrete.

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