| http://www.w3.org/ns/prov#value | - The metallic wire may be formed of any suitable metallic material, for example stainless steel, a nickel-titanium alloy (Ni???Ti), nickel-titanium-chromium alloy, a nickel-titanium-copper alloy, a nickel-titanium-niobium alloy, or any other superelastic metallic material.
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