Describir: Nature and properties of engineering materials

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