Ключевые слова: activity, background, bucket, building, bulldozer, clear, construction, dig, door, earth, equipment, excavation, flasher, ground, heavy, housing, isolated, land, loading, machine, machinery, metal, mini, mirror, object, occupation, orange, platform, rearview, scoop, seat, shovel, single, small, tractor, transportation, vehicle, wheel, white, window, working, yellow,