A cutting disc is drawn across the sheet material at the entrance to the cutting station, and the parallel conveyor tapes move {HEAD ~ the sheet} parallel to {TAIL ~ its cut edges} to a hemming station where the edges are folded and hemmed 
A cutting disc is drawn across the sheet material at the entrance to the cutting station , and the parallel conveyor tapes move { HEAD ~ the sheet } parallel to { TAIL ~ its cut edges } to a hemming station where the edges are folded and hemmed
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH