Program a machine that applies acid to precision-etch metal and plastic.
Performs any combination of following tasks in preparing cast jewelry findings for further processing: Cuts, saws, or breaks off gates from jewelry castings, using shears, jeweler’s saw, pliers, or foot press equipped with cutting tool. Removes burrs and smooths rough edges of casting, using file or grinding wheel. Straightens distorted castings, using foot press equipped with shaping dies. May remove plaster from castings by dipping castings in water and acid solution. May count and separate jewelry casting into containers, according to type, and marks containers with identifying information. May specialize in breaking off gates from jewelry castings and be designated Breaker-Off.