Describir: Rubber in engineering practice

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