| http://www.w3.org/ns/prov#value | - Examples of suitable materials include metals and their alloys, low grade steel, and stainless steels, super-alloys like incollsy, inconel, hastalloy, engineering plastics and high temperature plastics, ceramics such as silicon carbide and silicon nitride, glass, quartz, Teflon polymer, nylon, low temperature plastics such as polyethylene, polypropylene, and polyetherether ketone.
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