A process for {TAIL ~ the manufacture} of {HEAD ~ pipes}, comprising extruding an ethylene polymer composition 1 
A process for { TAIL ~ the manufacture } of { HEAD ~ pipes } , comprising extruding an ethylene polymer composition 1
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH