Ключевые слова: abstract, backdrop, background, block, border, cage, chain, closeup, corner, decoration, design, equipment, fence, form, frame, geometric, geometry, graphic, grid, iron, jail, knot, line, link, linkage, material, mesh, monochrome, net, netting, nylon, ornament, outdoor, pattern, prison, prisoner, protection, rope, rough, safety, security, space, sport, square, textile, texture, thread, trap, wall,