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