Ключевые слова: abstract, background, barbed, barrier, black, braided, cage, chain, chained, chainlink, chrome, design, detain, element, enclosure, fence, galvanized, grid, illustration, industrial, industry, iron, isolated, jail, link, linkage, mesh, metal, net, pattern, plate, prison, protection, security, steel, system, technology, texture, textured, wall, white, wire, wired,