A professional who operates machines and equipment to crush and blend coal of various compositions to obtain specified mixture used in producing coke. Respnsibilities include:

• Turns valve to admit oil to mixer.
• Starts hammer mill, mixer, and conveyor equipped with harrow disks.
• Moves lever to adjust blade on feed tables to deliver coal to mixer.
• Observes operation of machines to detect malfunctioning, clogging, and unevenness of flow.
• Frees clogged coal by striking side of hopper with mallet.
• Adjusts or replaces screens and hammers in mill, using handtools.
• Observes meters, gauges, and thermometer, and records temperature, oil consumption, tonnage mixed, and operating time.
• Cleans work areas, using broom.
• May open valves and start pumps to unload oil trucks.
• May test pulverized coal for conformance to specifications.
• May crush specific composition of coal (without blending) and be designated Coal-Pulverizer Operator.