Moreover, because the particles remaining behind in the polymer are polymeric, they do not add {HEAD ~ inorganic impurities} to {TAIL ~ the resulting rubber product}, and they are sheared during compounding or milling, and processed like normal rubber 
to
Moreover , because the particles remaining behind in the polymer are polymeric , they do not add { HEAD ~ inorganic impurities } to { TAIL ~ the resulting rubber product } , and they are sheared during compounding or milling , and processed like normal rubber
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