Ключевые слова: activity, broken, bucket, building, bulldozer, chain, clouds, coal, construction, crawler, dig, digger, dirt, earthwork, equipment, excavate, excavation, excavator, extract, gravel, ground, heavy, hydraulic, industrial, industry, load, loader, machine, machinery, mine, mover, open, outdoors, pit, pneumatic, power, quarry, road, rock, sand, scoop, shovel, site, soil, standing, stone, work, yellow,