| http://www.w3.org/ns/prov#value | - In addition to precious metals, the above alloys may be still further alloyed with a metal such as titanium (Ti), nickel (Ni), indium (In), chromium (Cr), germanium (Ge), tin (Sn), antimony (Sb), gallium (Ga), silicon (Si), boron (B), zirconium (Zr), molybdenum (Mo), and mixtures thereof.
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