Ключевые слова: authority, barbed wire, boundary, cage, chainlink, closed, crime, danger, direction, do not enter, entering, entrance, escape, exclusion, fence, forbidden, freedom, highway, information, isolated, law, metal, octagon, outdoors, prison, private, private property, protection, razor, red, risk, road, safety, security, shape, sharp, sign, slow, steel, stop, wire,