crusher, stone, cement, quarry, factory, construction, rock, mining, machine, mine, equipment, heavy, machinery, conveyor, gravel, technology, environment, ecology, manufacturing, excavation, open, pit, business, quarrying, crushers, industrial, mineral, belt, cars, photography, performer, profession, plant, engineering, outdoors, victim, traveler, mill, business activity, concrete, automobile, actor, application, outside, production, wheeled vehicle, vehicle, prey, fabrication, building, commerce, transaction, target, undertaking, industry, work, person, messenger, car, entertainer, situation, loop, conveyer, auto, building material, paving, motor vehicle, hole