Ключевые слова: action, activity, background, backhoe, blue, bucket, bulldozer, construction, contractor, dig, digger, dirt, duty, earth, earthmoving, equipment, excavate, excavating, excavation, excavator, ground, heavy, hydraulic, industrial, industry, loader, machine, machinery, mechanical, mining, moving, outdoors, power, quarry, sand, scoop, shovel, site, sky, soil, track, tractor, transport, trench, truck, trucks, unloading, vehicle, work, yellow,