A professional who operates one or more centrifugal-casting machines to cast metal parts of costume jewelry. Respnsibilities include:

• Dusts inside of rubber mold with chalkdust compound to facilitate flow of metal during casting and prevent mold from burning.
• Fits halves of molds together and places them on mold setting.
• Places disks under mold to adjust working pressure.
• Positions metal-pressure plate on mold to level mold on machine.
• Sets dial for specified pressure and speed of rotation, closes lid, and starts machine.
• Pours molten metal through funnel into machine, using ladle.
• Stops machine and removes mold.
• Separates halves of mold to remove casting, using pliers.
• May cast wax models of jewelry.