{HEAD ~ The synthetic fibers} thus function as a reinforcing web or backbone to maintain some mechanical integrity and strength of {TAIL ~ the paper} 
{ HEAD ~ The synthetic fibers } thus function as a reinforcing web or backbone to maintain some mechanical integrity and strength of { TAIL ~ the paper }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL