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

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發送短信 : Cooling of liquid in a tube under rotation