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