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