A professional who assists kiln operator in calcining hydrated alumina in rotary kilns. Respnsibilities include:

• Moves controls to direct flow of alumina through standby equipment.
• Lubricates valves with grease guns.
• Adjusts packing glands to prevent leaks, using handtools.
• Cleans coolers, using air lance. Observes flow of alumina through kilns, inspects equipment, and reports defects or malfunctions to kiln operator.
• Takes sample of alumina in bucket for laboratory analysis.
• Records weights of alumina stored.
• Performs other duties as described under helper master title.