| http://www.w3.org/ns/prov#value | - The first structural body 101 is formed of a plastic material such as PET (poly ethylene terephthalate), PEN (polyethylene naphthalate), PES (polyethersulfone), polypropylene, polypropylene sulfide, polycarbonate, polyether imide, polyphenylene sulfide, polyphenylene oxide, polysulfone, polyphthalamide, acrylic, or polyimide, or an insulating material such as nonwoven fabric or paper.
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