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