{HEAD ~ The polymeric material} is pretreated in {TAIL ~ an organic solvent}, such as turpentine, before etching during the plating process 
{ HEAD ~ The polymeric material } is pretreated in { TAIL ~ an organic solvent } , such as turpentine , before etching during the plating process
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH