Ключевые слова: background, barb, barbed, barbwire, barrier, base, border, boundary, camp, crime, danger, defend, defense, detail, entry, fence, forbid, forbidden, freedom, guard, hard, iron, isolated, jail, knot, limit, line, metal, military, obstacle, old, prison, private, prohibit, property, protect, protection, razor, rust, rusty, safety, secure, security, shape, sharp, steel, war, warning, white, wire,