{TAIL ~ This disclosure} pertains to machinery for expanding and inserting empty flexible bags into {HEAD ~ an open carton} 
{ TAIL ~ This disclosure } pertains to machinery for expanding and inserting empty flexible bags into { HEAD ~ an open carton }
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD