Ключевые слова: abstract, alloy, aluminum, backdrop, background, blue, border, cell, cells, closeup, concept, cover, dark, decoration, design, durable, fence, fencing, futuristic, geometric, grate, gray, grid, hexagon, honeycomb, industrial, industry, iron, lattice, line, mesh, metal, metallic, net, pattern, place, prison, protection, security, steel, strip, structure, technology, template, texture, textured, white, wire,