Ключевые слова: army, barb, barbed, barbwire, barrier, border, boundary, captivity, closeup, cordon, defence, deterrent, enclose, farming, fence, guard, intertwined, jail, metal, obstacle, perimeter, pointed, prison, protect, protection, restrict, safety, secure, security, sharp, spike, steel, strands, strength, strong, trespass, twist, wire,