In addition, {HEAD ~ the arcuate shape} facilitates {TAIL ~ the introduction} of the fibre sliver into the injector disposed a short distance above the trough bottom 
facilitates
In addition , { HEAD ~ the arcuate shape } facilitates { TAIL ~ the introduction } of the fibre sliver into the injector disposed a short distance above the trough bottom
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH