Ключевые слова: abstract, architecture, beams, blue, bolts, build, building, business, ceiling, city, complex, conservatory, construction, design, detail, engineering, frame, framework, girder, girders, home, house, industrial, industry, iron, joint, manufacturing, metal, metallic, moving, new, pattern, perspective, red, reflection, roof, scaffolding, shape, sky, steel, steelwork, strength, strong, structural, structure, technology, unit, urban, welding,