Ключевые слова: background, big, blue, boom, building, construction, crane, development, device, diesel, equipment, gibbet, grabbing, heavy, hoist, hoisting, hook, industrial, industry, isolated, jib, lifting, loading, machinery, mechanism, metal, mobile, object, rope, shipping, sky, steel, structure, tall, technology, tool, tower, track, transport, transportation, undercarriage, unit, urban, white, winch, working, yellow,