The temperature is kept below 2050° F. for an appropriate film period to obtain {HEAD ~ the desired degree} of {TAIL ~ body reduction} 
of
The temperature is kept below 2050 ° F. for an appropriate film period to obtain { HEAD ~ the desired degree } of { TAIL ~ body reduction }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL