Ключевые слова: barbed, barbwire, barrier, black, concept, crime, criminal, danger, dangerous, derrick, felon, fence, forbidden, freedom, frontier, grid, grunge, guard, industrial, industry, inmate, intruder, jail, limit, mast, metal, military, politics, prevent, prison, private, protection, rig, rights, safety, security, sharp, sky, spikes, spiral, state, steel, terror, top, tower, violence, wall, white, wire, zone,