{HEAD ~ The compositions} have {TAIL ~ particular utility} in the production of mechanical parts, such a automobile valve covers cowl vent grills, etc. particularly those requiring dimensional stability at high temperatures 
have
{ HEAD ~ The compositions } have { TAIL ~ particular utility } in the production of mechanical parts , such a automobile valve covers cowl vent grills , etc . particularly those requiring dimensional stability at high temperatures
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH