Ключевые слова: architecture, background, beam, blue, bolts, build, builder, building, business, construct, construction, crosspiece, design, detail, enforcement, engineering, erect, exterior, frame, framework, girder, grey, high, industrial, industry, infrastructure, iron, job, joints, joist, lattice, members, metal, modern, new, outdoor, reinforcement, rolled, rsj, site, sky, spar, steel, steelwork, strength, strong, structure, tower, unit,