Ключевые слова: activity, background, black, building, business, cable, construction, crane, design, development, engineering, equipment, heavy, hoist, hook, illustration, industrial, industry, iron, isolated, lift, lifting, machine, machinery, mechanical, metal, moving, nobody, object, orange, part, pulley, red, rope, single, site, sky, steel, strength, structure, technology, tool, tower, weight, white, winch, work, yellow,