Cut and file pieces of jewelry such as rings, brooches, bracelets, and lockets.
Solder parts together or fill holes and cracks with metal solder, using gas torches.
Polish articles by hand or by using a polishing wheel.
Pierce and cut open designs in ornamentation, using hand drills and scroll saws.
Position and align auxiliary parts in jigs and join parts, using solder and blowtorches.
Examine articles to determine the nature of defects requiring repair, such as dents, uneven bottoms, scratches, or holes.
Anneal precious metal objects such as coffeepots, tea sets, and trays in gas ovens for prescribed times to soften metal for reworking.
Rotate molds to distribute alloys and to prevent formation of air pockets.
Weigh and mix alloy ingredients, using formulas and knowledge of ingredients' chemical properties.
Carry castings or finished items to storage areas or to different work stations.
Heat ingots or alloy mixtures to specified temperatures, stir mixtures, skim off impurities, and fill molds to form ingots from which parts are cast.