Ключевые слова: abstract, accessibility, army, background, barb, barbed, barbwire, barrier, border, boundary, cable, cage, chain, construction, crime, danger, design, fence, forbidden, freedom, grate, guard, iron, jail, line, mesh, metal, military, object, outdoor, pattern, prison, private, protect, protection, protective, safety, seamless, security, shape, sharp, silhouette, steel, stockade, texture, warning, was, white, wire,