Ключевые слова: abstract, background, barrier, border, braided, cage, chain, chained, construction, decorative, design, detain, element, enclose, enclosure, fence, frame, galvanized, grid, illustration, industrial, industry, iron, jail, link, linkage, material, mesh, metal, military, net, pattern, prison, protection, safety, seamless, security, shape, square, steel, strong, texture, wall, wire, wired,