Describir: An evaluation of the ergonomics of three computer keyboards

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