Ключевые слова: 3d, 3d illustration, 3d rendering, apparatus, bar, construction, device, electric, electricity, engineering, equipment, flow, frame, heavy, illustration, industrial, industry, instrument, isometric, job, knot, manufacture, material, metal, metallic, metallurgy, metalwork, portable, power, product, profile, rebar, rebars, reinforcing, rod, roll, rolled, safety, shape, shining, steel, storehouse, strong, structural, structure, tied, work,