Ключевые слова: architecture, background, blue, build, business, construction, design, engineering, equipment, estate, exterior, factory, frame, framework, girder, hall, house, housing, industrial, industry, iron, material, metal, modern, new, perspective, plant, project, realty, residential, roof, roofing, room, safety, scene, site, sky, space, steel, steelwork, storage, storehouse, strength, structure, sunbeam, technology, truss, unfinished, warehouse, wireframe,