Guide rollers 44 and 45 are wider than {HEAD ~ the width} of {TAIL ~ the sheet material}, so that the sheet material is spread flat across these rollers 
of
Guide rollers 44 and 45 are wider than { HEAD ~ the width } of { TAIL ~ the sheet material } , so that the sheet material is spread flat across these rollers
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH