Ключевые слова: background, barb, barbed, barbedwire, barbwire, barrier, blue, border, boundary, cement, close, closeup, concept, crime, criminal, danger, dangerous, depth, facility, factory, fence, field, forbidden, foreground, freedom, frontier, industrial, industry, iron, jail, manufacturing, meta, metal, military, outdoors, plant, point, production, protection, razor, rusty, safety, security, shallow, sharp, simple, stay, steel, wire,