Ключевые слова: abstract, architecture, bridge, building, city, column, concrete, construct, construction, crane, development, engineering, equipment, freeway, high, highway, housing, industrial, industry, infrastructure, iron, metal, modern, outdoor, over, overpass, pillar, project, river, road, scaffold, scaffolding, site, sky, steel, structure, technology, transportation, under, urban, white, work, working, workplace,