Ключевые слова: architecture, background, build, building, business, city, concrete, construct, construction, crane, development, education, engineering, equipment, heavy, industrial, industry, line, machine, machinery, metal, modern, office, plan, power, presentation, professional, project, rail, railroad, railway, repair, road, showing, site, steel, structure, subway, technology, tower, track, train, transport, transportation, travel, truck, way, work,