Ключевые слова: activity, back, background, backhoe, bucket, building, bulldozer, construction, contractor, development, digger, earth, earthmover, equipment, excavate, excavating, excavation, excavator, grader, ground, heavy, hydraulic, industrial, industry, large, loader, mining, mover, moving, power, powerful, road, scoop, shovel, site, sky, track, tractor, truck, vehicle, work, worker, yellow,