Describir: An evaluation of the ergonomics of three computer keyboards

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