Ключевые слова: abstract, architecture, background, bar, brown, building, close, cold, concrete, construction, economy, frame, gray, grey, group, horizontal, industrial, industry, infrastructure, iron, line, material, mesh, metal, metallic, new, pattern, pile, raw, reinforcement, reinforcing, rod, shiny, silver, site, square, steel, strength, strong, structural, structure, supportl, texture, transportation, up, view,