Ключевые слова: activity, backhoe, blue, bucket, build, bulldozer, construction, development, digger, digging, dirt, earth, engineering, equipment, excavation, front, gravel, ground, heavy, hydraulic, industrial, land, large, loader, machine, machinery, metal, mining, mover, outdoor, power, quarry, red, road, sand, scoop, shovel, site, sky, soil, technology, tractor, transportation, truck, vehicle, wheel, white, worker, working, yellow,