At {TAIL ~ the cutting position} the cutting edge is positioned to intersect and transversely sever {HEAD ~ the tensioned sheet material} being manually withdrawn from the dispenser 
At { TAIL ~ the cutting position } the cutting edge is positioned to intersect and transversely sever { HEAD ~ the tensioned sheet material } being manually withdrawn from the dispenser
OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH