A professional who supervises and coordinates activities of workers engaged in operating reverberatory furnaces and casting machines to smelt and cast copper. Respnsibilities include:

• Observes gauges and color of flames in furnace and adjusts valves to ensure combustion of fuels.
• Regulates furnace dampers to maintain specified temperatures.
• Observes color and surface characteristics of bath to determine pouring temperatures and oxygen content of copper.
• Inspects operation of casting wheels to ensure uniform product.
• Performs other duties as described under supervisor master title.