Ключевые слова: activity, architecture, background, bar, blue, building, business, clouds, concrete, condominium, construction, crane, development, engineering, equipment, estate, frame, heavy, high, hoisting, industrial, industry, infrastructure, iron, isolated, labor, machine, machinery, man, metal, new, nobody, object, outdoor, project, site, sky, steel, strength, structure, tall, technology, tower, urban, white, woman, work, yellow,