Ключевые слова: activity, arm, backhoe, bin, bucket, build, building, bulldozer, construction, dangerous, demolish, destruction, digger, dirt, dredge, earth, engineering, equipment, excavate, excavation, excavator, grass, green, ground, heavy, industry, labor, loader, machine, machinery, massive, old, outdoor, outside, power, shovel, soil, space, tank, teeth, vehicle, work, worker,