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