Ключевые слова: action, activity, background, blue, break, bucket, bulldozer, clouds, colorful, construction, dawn, dig, digger, dirt, dumper, earth, earthwork, engineering, equipment, excavation, excavator, gravel, ground, heavy, hydraulic, industrial, industry, loader, loading, machine, machinery, mine, no people, outdoors, power, quarry, sand, sandpit, scenic, scoop, shovel, site, sky, soil, sunset, tractor, truck, vehicle, work, yellow,