Describir: Structure of metals :

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