Ключевые слова: activity, arm, background, backhoe, big, black, blue, bucket, build, bulldozer, claw, construction, detail, development, dig, digger, dirt, dozer, earth, equipment, excavate, excavation, excavator, ground, heavy, hoe, hydraulic, industrial, industry, large, loader, loading, machine, machinery, metal, mining, mover, piston, power, scoop, shovel, sky, soil, steel, technology, teeth, tractor, transport, vehicle, work,