A professional who tends furnace and auxiliary equipment that heat cadmium to produce cadmium oxide. Respnsibilities include:

• Turns handwheel to tilt and lower mouth of crucible for initial loading, and dumps cadmium balls into crucible until scale indicator reaches specified weight.
• Returns crucible to upright position and turns control to activate automatic pilot that fires furnace.
• Positions empty drum under oxide collector discharge outlet, clamps discharge cover over drum, and turns switch that starts flow of cadmium oxide from collector into drum.
• Periodically scrapes molten accumulation from mouth of crucible, using metal rod.
• Dumps additional cadmium balls into crucible when indicator falls below prescribed weight, using pipe carrier.
• Turns switch to stop flow of cadmium oxide when drum is filled.
• Removes drum from under discharge cover, and closes drum with lid and sealing collar.
• Weighs drum, records weight on shipping tag, and attaches tag to sealing collar.
• Periodically scrapes and chips accumulations of cadmium oxide from floor and from crucibles not in use.
• Sifts scrapings, weighs, and stores solids.
• Maintains production logs.