The new paper insert machine fills {TAIL ~ a gap} that has existed in {HEAD ~ the insert machine business} for a number of years 
The new paper insert machine fills { TAIL ~ a gap } that has existed in { HEAD ~ the insert machine business } for a number of years
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH