| http://www.w3.org/ns/prov#value | - Cup-like member 14 may be formed from many materials, including thermoplastic such as polycarbonate, ABS, polysulfone, polyester and polyurethane, and including corrosion-resistant metals such as titanium, and including rigid and semi-rigid elastomers such as silicone rubber, natural rubber, synthetic rubber, and polyurethane.
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