Ключевые слова: activity, architecture, background, big, blue, boom, building, business, cable, clouds, construction, crane, development, engineering, equipment, heavy, high, hook, hydraulic, industrial, industry, iron, isolated, lift, lifting, load, machine, machinery, metal, mobile, power, pulley, rope, site, sky, steel, strength, structure, tall, technology, tool, transport, transportation, truck, up, vehicle, weight, white, work, yellow,