A professional who tends battery of machines that grind and filter copra (dried coconut meat) into coconut oil and meal. Respnsibilities include:

• Turns valves to regulate flow of steam that heats crushing machine to specified temperature.
• Starts conveyors, crushing machines, and expeller and signals worker to start feeding copra into feed hoppers.
• Feels ground copra to ensure that texture conforms to specifications.
• Observes oil flowing from expeller for presence of excess solids, and feels coconut meal to determine if meal contains excessive oil.
• Observes gauges and clarity of oil leaving filter presses to determine if pressure inside filters is within specified limits.
• Transfers oil to standby filter presses when clarity or pressure deviates from prescribed standards.
• Records oil and meal production in log.