{HEAD ~ The method} 7 wherein {TAIL ~ the crossing unbonded fibers} also contain man made or natural organic fibers 
wherein
{ HEAD ~ The method } 7 wherein { TAIL ~ the crossing unbonded fibers } also contain man made or natural organic fibers
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH