wherein {TAIL ~ the mass} of second fibers comprises left over fibers produced when carding a fiber material, said {HEAD ~ second fibers} having a shorter length than said first fibers 
wherein { TAIL ~ the mass } of second fibers comprises left over fibers produced when carding a fiber material , said { HEAD ~ second fibers } having a shorter length than said first fibers
OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH