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