Generally, {HEAD ~ a melt temperature} of about 2720° F. in {TAIL ~ the melting furnace} is sufficient 
in
Generally , { HEAD ~ a melt temperature } of about 2720 ° F. in { TAIL ~ the melting furnace } is sufficient
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH