Describir: A manual of engineering drawing :

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