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

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