The polymer mixture is subjected to a molding cycle in which heat and pressure are applied while {HEAD ~ the mixture} is confined within {TAIL ~ a mold} 
is confined within
The polymer mixture is subjected to a molding cycle in which heat and pressure are applied while { HEAD ~ the mixture } is confined within { TAIL ~ a mold }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL