Ключевые слова: abstract, alloy, aluminium, aluminum, angle, backdrop, background, blank, block, blue, brushed, design, dirty, durable, gray, grind, grunge, hard, heavy, industrial, industry, iron, line, material, metal, metallic, modern, old, pattern, plate, rhombus, rough, rust, sand, scratch, sheet, shine, shiny, silver, sleek, smooth, space, stainless, steel, strong, surface, texture, textured, wall, wallpaper,