Though {HEAD ~ the lever} 19 pushes {TAIL ~ the cut sheet} down, the cut sheet can be safely guided and transferred to the driving rollers 12 and 13 by the lower guide piece 17 
pushes
Though { HEAD ~ the lever } 19 pushes { TAIL ~ the cut sheet } down , the cut sheet can be safely guided and transferred to the driving rollers 12 and 13 by the lower guide piece 17
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH