Ключевые слова: big, boom, bucket, building, bulldozer, coal, construction, destruction, development, dig, dirt, dusk, earth, equipment, excavation, excavator, geology, heavy, hill, hydraulic, industrial, industry, large, loader, mine, mover, night, power, quarry, road, sand, scoop, shovel, site, sky, soil, structure, sunset, tractor, truck, vehicle, work, yellow,