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