Ключевые слова: abstract, architecture, area, blue, bridge, building, business, cable, cement, cloud, concrete, construction, crane, crossing, development, engineering, fences, forms, frame, high, hoisting crane, industrial, industry, infrastructure, iron, island, isle, metal, modern, overpass, people, preparation, projects, repairing, river, site, sky, stand, steel, structure, supports, technology, tool, tower, transportation, urban, warehouse, wide angle, workmen,