{TAIL ~ The compositions} have {HEAD ~ 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 
{ TAIL ~ The compositions } have { HEAD ~ 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
TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD 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