Ключевые слова: abstract, asphalt, attention, backdrop, background, barrier, black, caution, close up, closeup, construct, construction, danger, design, diagonal, dirt, dirty, graphic, grunge, grungy, hazard, hazardous, illustration, image, industrial, industry, lines, macro, metal, notice, old, pattern, safety, sign, street, striped, stripes, symbol, texture, traffic, transportation, vintage, wallpaper, warning, weathered, worn, yellow,