Describir: A manual of engineering drawing :

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