Ключевые слова: activity, background, black, building, business, cable, catching, chain, construction, construction equipment, construction industry, construction machinery, construction site, crane, crane hook, development, elevator, engineering, equipment, hanging, heavy, hoisting, hook, house, industrial, industry, iron, lift, lifting, machine, machinery, metal, objects, part, people, picking, pulley, remote, rope, sky, steel, strength, tool, up, view, white, winch, work, yellow, young men,