Ключевые слова: abstract, aluminum, backdrop, background, barrier, black, border, cage, concept, dark, design, dot, element, fabric, fence, fiber, fibre, graphic, grey, grid, grille, hole, illustration, industrial, industry, iron, luxury, material, mesh, metal, metallic, micro, net, pattern, plate, prison, safety, seamless, security, sheet, steel, surface, technology, textile, texture, wallpaper,