| http://www.w3.org/ns/prov#value | - Examples of the material include thermoplastic resins such as polyolefins (e.g., polyethylene, polypropylene, ethylene-propylene copolymer, ethylene-vinyl acetate copolymer, etc.), polyvinyl chloride, polyamide elastomers, polyurethane, etc., silicone rubbers, and latex rubbers, among which preferred are the thermoplastic resins, and more preferred are the polyolefins.
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