| http://www.w3.org/ns/prov#value | - However, in their commercial form, disposable diapers are generally of a three-piece structure: an inner liner or so-called top sheet of a non-woven material such as polyethylene, polypropylene, a polyester and the like; an outer polyolefin liner or so-called back sheet; and, sandwiched therebetween, the porous, absorbent material, generally referred to in the art as fluff pulp, wood fluff, or
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