Ключевые слова: abstract, background, barbed, barrier, border, boundary, breach, break, cage, chain, chainlink, closeup, construction, crime, danger, decoration, design, escape, fence, forbidden, frame, freedom, grate, gray, green, grid, industrial, iron, link, mesh, metal, metallic, modern, net, netting, old, ornament, pattern, perspective, prison, protection, retro, seamless, security, shape, steel, texture, textured, wallpaper, wire,