The permeable forming screen onto which a fibrous aqueous slurry is deposited is of a different structure in {HEAD ~ areas} corresponding to {TAIL ~ the discrete areas} of the mat so as to restrict the flow of water through those areas 
corresponding to
The permeable forming screen onto which a fibrous aqueous slurry is deposited is of a different structure in { HEAD ~ areas } corresponding to { TAIL ~ the discrete areas } of the mat so as to restrict the flow of water through those areas
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH