Ключевые слова: abstract, alloy, aluminum, backdrop, background, black, canvas, cardboard, circle, cover, decorative, design, element, embossing, empty, frame, gray, grey, grid, grill, grille, hole, industrial, industry, iron, material, mesh, metal, metallic, page, panel, paper, pattern, plate, screen, sheet, silver, simple, spot, stainless, steel, strong, surface, technology, texture, textured, wall, wallpaper, white,