Ключевые слова: activity, apartment, architecture, assembly, background, building, built, business, cable, concrete, construction, crane, cranes, development, engineering, equipment, estate, frame, heavy, high, industrial, industry, iron, machine, machinery, mega, metal, nobody, occupation, outdoor, property, scaffolding, site, steel, structure, tall, technology, tower, transportation, up, urban, weight, work, worker,