| http://www.w3.org/ns/prov#value | - The insulator 17 may be made of any electrically insulating material, such as polyimide, polychloroprene, polyethylene terephthalate, polyoxymethylene, polyvinyl chloride, polyvinylidene fluoride, cyanoethyl pullulan, polymethyl methacrylate, polysulfone, polycarbonate, aluminum nitride; oxide ceramics such as alumina, SiO2, mullite, and cordierite; silicon nitride, and silicon carbide.
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