prov:value
| - Any suitable thermoplastic resin may be employed as plastic material 30, such as, for example, polystyrene, polyamides, homo and copolymers of vinylchloride, polycarbonates, homo and copolymers of polyolefins, such as polyethylene, polypropylene, copolymers of ethylene and propylene; polyesters such as those prepared from dibasic carboxylic acids and divalent alcohols including succinic acid, dipi
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