A plurality of {HEAD ~ slicers} continuously slice the continuous sheet of {TAIL ~ material} into continuous lengths 
A plurality of { HEAD ~ slicers } continuously slice the continuous sheet of { TAIL ~ material } into continuous lengths
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH