Ключевые слова: abstract, background, barrier, bars, bent, blur, blurred, border, cage, chain, coated, cyclone, diamond, fence, freedom, garden, gate, grid, hook, house, hurricane, industrial, iron, line, link, manufacture, mesh, metal, metallic, net, netting, outdoor, pattern, plants, prison, privacy, protecting, protection, safety, security, soft, steel, texture, tree, vertically, wire, woven, yard, zag, zig,