| http://www.w3.org/ns/prov#value | - means tending to maintain said first core in its expanded cellular configuration so that it will anisotropically flex to stabilize and spread any load applied thereto by a user of said apparatus, and including at least a first facing sheet bonded to said first face and a second facing sheet of material bonded to said second face, said first facing sheet and said second facing sheet of said first p
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