Describir: Seated work postures for manual, visual and combined tasks /

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