A professional who operates refining machines equipped with rollers to grind chocolate paste in accordance with specifications. Respnsibilities include:

• Starts conveyor to feed chocolate into refiner hoppers.
• Feels consistency of chocolate in hoppers to determine grinding required.
• Turns handwheels on machine to adjust clearance between rollers.
• Opens hopper and starts machine that feeds chocolate between rollers of refining machine.
• Observes thermometer or feels rollers and turns water valves to obtain specified temperature of rollers.
• Examines, feels, and tastes ground chocolate paste to ascertain if color, texture, and taste meet standards.
• Collects sample of paste for laboratory analysis.
• May observe flowmeters and turn valves to measure out cocoa butter, vegetable oil, and other ingredients, according to formula, and to fortify chocolate in mixing tanks.
• May scoop refined chocolate paste into wheeled troughs or barrels.
• May weigh and transport barrels to cold storage rooms, using handtruck.