Ключевые слова: abstract, anchor, background, barrier, blue, boundary, cage, chain, chainlink, close, closeup, construction, decoration, decorative, design, exterior, fence, focus, frame, freedom, gray, guard, heavy, industrial, industry, interwoven, iron, isolated, material, metal, metallic, natural, object, old, pattern, perspective, protection, relation, retro, safety, security, shape, steel, strength, strong, texture, textured, towing, up, wall,