Ключевые слова: abstract, alloy, architecture, bar, blur, building, cast, cement, chilled, closeup, column, construction, detail, engineering, fabric, fixing, formwork, frame, gray, group, horizontal, industrial, line, metal, net, new, pressure, production, raw material, reinforced concrete, rigid, rod, rust, silver, statics, steel, strength, strong, structure, texture, vertical, wire,