| http://www.w3.org/ns/prov#value | - Examples of such suitable materials include, but are not limited to a variety of copolymers and plastics, such as polyoxymethylene which is generally known as Celcon???, polyetherimide, polyethylene, polypropylene, polyphenyl sulfone, which is commercially known as Radel???, nylon and mixtures thereof, a metal, such as aluminum and stainless steel or other suitable materials that are well-known in
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