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