Precious metals and alloys thereof used in additive manufacturing, but not including all of the following: fluxes or alloys used in welding, brazing, soldering, and hard surfacing, metallic welding, brazing, and soldering alloys in the form of rods consumed in the welding operation, and rods coated with or having incorporated therein flux substance, cementing material (non-tacky) in the nature of a solder, and spelter, for welding, brazing and soldering purposes
Jewelry