This has {HEAD ~ the distinct advantage} of substantially eliminating {TAIL ~ the escape} of unreacted monomer vapors to the surrounding atmosphere, which under present day Governmental regulations must be kept to a minimum 
This has { HEAD ~ the distinct advantage } of substantially eliminating { TAIL ~ the escape } of unreacted monomer vapors to the surrounding atmosphere , which under present day Governmental regulations must be kept to a minimum
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH