A professional who tends centrifuge machines to remove solid impurities and water from animal and vegetable oils. Respnsibilities include:

• Turns valves to admit steam to jackets of machines.
• Starts pumps and opens valves to feed oil to machines and to transfer oil to receiving tanks.
• Observes gauges on machines to determine when temperature is within prescribed range.
• May rub oil between fingers to detect grit and reprocess oil that does not meet company standards.
• May open valves to pump oil through one or more settling tanks to separate water from oil.
• May clean centrifuge and settling tanks.
• Does not utilize heat when processing essential oils, such as citrus oils, due to volatility of these oils.