{HEAD ~ This distance} can also vary depending upon {TAIL ~ the circumstances} and conditions surrounding the corrugated board to be cut and ejected 
{ HEAD ~ This distance } can also vary depending upon { TAIL ~ the circumstances } and conditions surrounding the corrugated board to be cut and ejected
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH