In polymerizing the olefinic monomers, the same is done in an aqueous polymerization medium which is kept in {HEAD ~ constant contact} with said coated surfaces throughout {TAIL ~ the polymerization reaction} 
In polymerizing the olefinic monomers , the same is done in an aqueous polymerization medium which is kept in { HEAD ~ constant contact } with said coated surfaces throughout { TAIL ~ the polymerization reaction }
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