Ключевые слова: army, background, barb, barbed, barbwire, barrier, border, boundary, camp, chain, close, cross, danger, design, drawing, element, fence, forbidden, frame, freedom, graphic, guard, industrial, industry, interior, iron, isolated, isolation, jail, keep, line, metal, old, orange, pattern, prevent, prison, protection, purple, razor, security, sharp, steel, sunrise, sunset, texture, up, wall, war, white, wire, yellow,