Ключевые слова: abstract, abstraction, background, barrier, boundary, brown, cage, chain, chainlink, closeup, confinement, construction, corrosion, design, detail, engineering, fence, fitting, grid, industrial, industry, light, link, macro, material, mesh, metal, net, netting, old, pattern, prison, red, reinforcement, reinforcing, restrictionarea, retro, rod, rusted, rusty, security, spiderweb, square, steel, texture, wall, wicker, wire,