| http://www.w3.org/ns/prov#value | - While thermosetting resins such as epoxy resin or polyester resin having been used in conventional resin mold techniques may be used as a resin for the resin blocks, a resin material can be melted upon temperature rise in the use of thermoplastic resin such as polyethylene, thus making it possible to reuse the high-voltage side conductors 3 and the low-voltage side conductors 5.
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