Ключевые слова: big, boom, bucket, building, bulldozer, business, coal, competition, conflict, construction, dark, destruction, development, dig, digger, dredger, earth, equipment, excavation, excavator, fire, geology, heavy, hill, hydraulic, industrial, industry, light, loader, machine, machinery, mine, mover, night, power, quarry, road, sand, scoop, shovel, site, sky, structure, sunset, tractor, transport, transportation, truck, vehicle, work,