Describir: A manual of engineering drawing :

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