Ключевые слова: abstract, architecture, assembled, assembly, background, beam, blue, building, built, business, city, commercial, construct, construction, crosspiece, develop, development, downtown, engineering, exterior, frame, framework, girder, girders, high, hoist, industrial, industry, joist, large, metal, modern, monochrome, office, parallel, project, railings, roof, safety, site, spar, steel, strength, structural, structure, tower, truss, urban, white, working,