Ключевые слова: 3d, architecture, armature, background, bar, building, concrete, construction, durable, element, engineering, factory, fittings, framework, gray, group, icon, illustration, industrial, industry, iron, isolated, manufacture, material, metal, metallic, object, pattern, product, profile, rebar, reinforce, reinforced, reinforcement, reinforcing, rod, rolled, round, site, square, stack, stainless, steel, strength, strong, structure, technology, texture, white, wire,