Ключевые слова: action, activity, background, backhoe, blue, bucket, building, bulldozer, construction, development, dig, digger, dirt, dredger, earth, engineering, equipment, excavate, excavating, excavation, excavator, ground, heavy, hydraulic, industrial, industry, loader, machine, machinery, mining, mover, outdoors, power, road, sand, scoop, shovel, site, sky, soil, stone, tractor, transportation, unloading, up, vehicle, wheel, work, working, yellow,