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

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