Ключевые слова: abstract, background, barb, barbed, barbwire, barrier, black, border, boundary, camp, close, closeup, crime, danger, defense, fence, forbid, forbidden, freedom, guard, industrial, iron, isolated, jail, line, metal, military, old, pattern, prison, private, prohibit, property, protect, protection, razor, rust, rusty, safety, secure, security, sharp, spike, steel, symbol, texture, war, warning, white, wire,