Ключевые слова: background, big, brown, bucket, bulldozer, business, chain, construction, development, dig, digger, dirt, drip, earth, earthmoving, energy, equipment, excavate, excavating, excavation, excavator, flow, ground, heavy, hole, hydraulic, industrial, industry, large, machine, machinery, mine, mining, mover, multibucket, old, open, pit, power, quarry, sand, scoop, sewerage, shovel, site, soil, tape, vehicle, work,