| http://www.w3.org/ns/prov#value | - Especially, a film, a sheet, a non-woven fabric and the like having a water-absorbability are useful. [0180] Examples of the polymer, which is a material for forming the substrate, the covering member or the underlay member, are a polymer material such as a polyethylene, a polypropylene, a polyester, polyvinyl chloride, polyvinylidene chloride, a polystyrene, an ethylene/vinyl acetate copolymer or
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