compensating for thermal mismatch between the master element and {HEAD ~ adjacent portions} of {TAIL ~ the mold} 
of
compensating for thermal mismatch between the master element and { HEAD ~ adjacent portions } of { TAIL ~ the mold }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL