| http://www.w3.org/ns/prov#value | - Conductor 22 is formed of copper, gold plated copper, tungsten, or another conductor; insulator 24 of a material such as polyimide, polyurethane Enamel, nylon, polyester, glass fibers, polybutarate, or polyvinyl; and tube 26 of a non-magnetic material such as a polymer, ceramic, or glass.
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