Ключевые слова: activity, backhoe, big, blue, borrow, bucket, builder, bulldozer, construct, construction, contractor, development, dig, digger, dirt, earth, equipment, excavate, excavating, excavation, excavator, ground, heavy, hydraulic, industrial, industry, large, loader, machine, machinery, metal, mine, mover, operator, power, quarry, sand, sandpit, scoop, shovel, site, sky, soil, track, tractor, transport, vehicle, work, yellow,