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