Ключевые слова: activity, aggregate, belt, breaker, construction, conveyor, crusher, crushing, dig, digger, earth, engineering, environment, equipment, excavation, extraction, factory, gravel, heavy, industrial, industry, job, landscape, large, load, loader, machine, machinery, material, mill, mine, mineral, mining, mobile, occupation, plant, power, quarry, road, rock, sand, site, stone, technology, toil, transportation, vehicle, work,