Thus, there is never {HEAD ~ a possibility} of {TAIL ~ the raw edge} of opening 16 of paperboard panel 12 contaminating the liquid 
of
Thus , there is never { HEAD ~ a possibility } of { TAIL ~ the raw edge } of opening 16 of paperboard panel 12 contaminating the liquid
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH