14 Precious metals and their alloys; goods made from precious metals and their alloys, namely, Ingots of precious metal; goods made from or coated with precious metals, namely, gauzes for the catalysis of ammonia oxidation, gauzes for platinum recovery in ammonia oxidation processes, gauzes for platinum recovery in ammonia oxidation plants, jewelry and unfinished blanks for jewelry and watchmaking, precious metal wires and tubes, precious metals and alloys thereof, processed or semi-processed precious metals; collectible coins; monetary coin sets for collecting purposes; non-monetary coins; Goods coated with precious metals and their alloys, namely, fabricated precious metal parts and devices, namely, electrical contacts, supports/stiffeners for bushings tips for bushings, lamps, furnace elements, fuses, resistors, bubbler tubes, components for turbine blades; Precious metal-coated ceramic parts for use in the glass manufacturing industry, namely, furnace components such as fore hearth linings, stirrers, bushing blocks, feeder chambers, orifice rings, plungers, spout bowls and tubes danner mandrels and danner sleeves, tweels and furnace blocks, thermocouples