Describir: Two Designs of Power Assisted Ehwwlchair /

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