A professional who tends machine that mixes such ingredients as chocolate liquor, sugar, powdered milk, and cocoa butter preparatory to making sweet chocolate. Respnsibilities include:

• Weighs and dumps dry ingredients into mixing machine by hand, hydraulic lift, or conveyor equipped with automatic scale.
• Observes meters and turns valves to admit measured amounts of liquids into mixer.
• Observes thermometer and sets thermostat to heat mixer to specified temperature.
• Starts mixer.
• Examines mixture to ensure that consistency conforms to standards.
• Starts conveyor to transfer finished batch to refining machine.
• May tend automatic sugar grinders or pulverizers.
• May be designated according to type of mixer used as Melangeur Operator.