| http://www.w3.org/ns/prov#value | - Metals such as nickel copper alloys, aluminum, iron as well as plastic material such as films, shectings, plates, fabrics and moulding articles from acetyl cellulose, celluloseacetobutyrate, polyvinyl-chloride, polyamidcs, polyurethanes, polystyrene, polycarbonates, polyacrylates, polyethylene and polypropylene.
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