Ключевые слова: abstract, aluminum, background, barrier, braided, building, cage, chain, chrome, coated, connect, construction, enclose, fence, gray, grid, grille, industrial, industry, iron, jail, line, link, linkage, mesh, metal, metallic, net, netting, panel, pattern, pile, prison, protecting, protection, reinforcing, safety, security, shape, square, stack, stacked, steel, structural, texture, textured, wall, welded, wire, wired,