During {HEAD ~ the high pressure polymerization} of {TAIL ~ ethylene homopolymers} and co polymers there may be a “decomp”  
During { HEAD ~ the high pressure polymerization } of { TAIL ~ ethylene homopolymers } and co polymers there may be a “ decomp ”
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH