A professional who operates equipment to size and wash coal for shipment or further processing. Respnsibilities include:

• Starts equipment, such as launders, tables, shakers, sizing screens, and conveyors.
• Regulates flow of coal and water to separate coal from slate, rock, and other foreign material and transfers cleaned and sized coal to loading chutes or storage.
• Observes equipment, gauges, and indicator lights and adjusts equipment to ensure maximum cleanliness of product.
• May lubricate and repair equipment and replace parts, using handtools.
• May test refuse samples to determine coal content, using scales to weigh material precipitated from sample by chemical reaction.