Ключевые слова: activity, architecture, arm, background, blue, building, city, commercial, concept, construction, crane, development, engineering, equipment, freight, heavy, high, hoist, hoisting, hydraulic, industrial, industry, lift, lifter, lifting, lorry, machine, machinery, mechanics, nobody, object, picking, project, red, single, site, sky, space, steel, structure, supply, tall, technology, telescopic, tower, up, urban, vehicle, work,