Ключевые слова: abstract, aluminum, background, barrier, black, blank, brushed, competition, construction, dirty, equipment, floor, grid, grunge, industrial, industry, iron, ironworks, mark, material, metal, metallic, old, panel, pattern, plate, race, risk, roadside, rough, rust, rusty, scene, shape, sheet, side, sign, steel, stop, street, strong, surface, texture, textured, tough, transportation, wall, wallpaper, warning, yellow,