Ключевые слова: abstract, aluminum, backdrop, background, black, blank, dark, decorative, design, dirty, floor, frame, graphic, grate, gray, grey, grid, grill, grunge, hard, heavy, hole, illustration, industrial, industry, iron, light, material, mesh, metal, metallic, modern, old, pattern, plate, retro, seamless, shape, sheet, silver, steel, strong, surface, technology, texture, textured, tile, wall, wallpaper,