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