| http://www.w3.org/ns/prov#value | - Examples of appropriate types of polymeric materials include the polyesters, such as polyethylene terephthalate; the vinyl aromatic or styrenic polymers, including substituted and unsubstituted styrene polymers and copolymers, high impact polystyrenes comprised of styrenerubbery polymer blends, graft copolymers and block copolymers, and ABS-type resins; polyolefins, such as polyethylene and polypr
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