Ключевые слова: abstract, architecture, backdrop, background, barricade, blue, border, braided, bulb, cage, cell, defense, enclose, enclosure, fence, grate, grid, grille, guard, head, iron, jail, lamp, lampost, lampshade, lattice, light, linkage, mesh, metal, metallic, netting, pattern, post, protection, security, separate, showcase, sky, steel, twisted, wire,