Ключевые слова: abstract, background, barb, barbed, barbwire, barrier, border, boundary, cage, chain, close, closeup, danger, defense, design, fence, forbidden, grid, guard, industrial, industry, iron, isolated, jail, link, mesh, metal, metallic, military, old, pattern, prison, private, protect, protection, razor, rust, rusty, safety, security, sharp, sky, steel, texture, up, wall, white, wire, wired,