Ключевые слова: abstract, barrier, border, cage, chain, chain link fence, chainlink, chainwire, correctional facility, crime, deterrent, enclosure, fence, fencing, industrial, iron, jail, juvenile detention, keep out, lattice, link, linkage, mesh, metal, metallic, net, pattern, perimeter, portable fencing, prison, property, protection, protection concept, safety, seamless, secured, security, stainless steel, steel, texture, wall, wire, wired, wiremesh,