A professional who tends continuous oxide mill and auxiliary equipment that converts pig lead into lead oxide used in manufacture of storage battery paste. Respnsibilities include:

• Ignites furnace burner and loads pig lead into kettle that automatically melts lead and pours molten lead into machine that shapes lead into balls and discharges balls into storage bin.
• Rakes specified number of lead balls into mill that converts lead balls into lead oxide powder.
• Observes temperature and weight gauges, and turns valve to add coolant to mill as needed.
• Opens chute to release powder into barrel when milling is completed.
• Weighs and tests powder to determine percentage of oxidation, using reagents, gram scale, and other testing equipment.
• Reprocesses powder not meeting specifications.
• Records test results and amount of lead oxide powder milled.