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the cutting edge is positioned to intersect and transversely sever the tensioned sheet material being manually withdrawn from {TAIL ~ the dispenser} 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} the cutting edge is positioned to intersect and transversely sever the tensioned sheet material being manually withdrawn from { TAIL ~ the dispenser }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