| http://www.w3.org/ns/prov#value | - Examples of such a polymer material include polyvinyl alcohol, methyl cellulose, ethyl cellulose, cellulose acetate, polystyrene, polyvinyl chloride, saturated straight-chain polyesters, methacrylic resins such as polymethyl methacrylate and polyethyl methacrylate, and copolymers thereof.
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