A professional who tends immersion vats and cooling equipment that chill dressed chickens to prevent spoilage. Respnsibilities include:

• Starts water pumps, agitators, ice feeders, and conveyors and turns valves to control rate of flow and temperature of water circulating through chilling vats.
• Observes flow of ice through troughs that feed conveyor and dislodges caked ice with mallet.
• Reads gauges and thermometers to verify temperatures in chilling vats and cooler.
• Activates mechanical rakes to regulate flow of ice from storage bins to vats.
• Records temperatures on report form.