quarry, mining, construction, stone, blue, sky, mine, stones, industry, ore, equipment, mineral, industrial, heavy, pit, truck, technology, iron, sand, open, vehicle, machine, work, rock, machinery, transport, factory, production, excavator, crusher, conveyor, processing, gravel, front, muddy, formation, field, performer, boggy, excavation, soil, profession, engineering, victim, earth, traveler, mill, actor, application, outside, prey, employee, messenger, plant, transportation, conveyer, worker, motor vehicle, wheeled vehicle, hole, building, commerce, transaction, target, workman, person, outdoors, entertainer