Describir: An evaluation of the ergonomics of three computer keyboards

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