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

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Text this: Scratching of polymers-Modeling abrasive wear