A professional who tends machines that mix ground coke, coal, anode butts, and pitch into carbon paste and press paste into anodes or electrodes. Respnsibilities include:

• Sets automatic scale and steam regulator to specified weight and pressure.
• Opens hopper valves to load specified amounts of coke, coal, butts, and pitch scales into batch car.
• Starts equipment and charges mixer with mixing ingredients.
• Turns valve to admit liquid pitch into mixer.
• Records charging and discharging time of mixer.
• Periodically inspects system to verify consistency of carbon paste and dimensions of anodes or electrodes emerging from press.
• Records data for each batch processed.
• May lubricate and perform minor repair on machines.
• May tend machine that grinds material for electrodes.
• May tend machines, using panelboard, and be designated Carbon-Paste-Mixer Operator, Panelboard.