Essential Functions Operates, services, and maintains various heavy equipment including, but not limited to, front-end loaders, off-road dump trucks, skid steers, man-lifts, fuel trucks, and water trucks to sustain plant production and maintain a clean, safe, and productive work environment. The Equipment Operator/Laborer maintains production, maintenance, safety, quality, and housekeeping within U.S. Aggregates' plant operations, operating and servicing heavy equipment to keep the plant clean and running efficiently.