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