Ключевые слова: abstract, attention, attention icon, attention sign, background, barrier, beware, black, black and yellow, black and yellow stripes, border, caution, caution icon, caution sign, caution tape, construction, cracks, danger, danger sign, dangerous, diagonal, dirty, grunge, industrial, industry, line, old, paint, pattern, road, rough, rusty, safety, safety signs, sign, stripe, striped, stripes, surface, surface texture, symbol, texture, traffic, transport, transportation, wallpaper, warning, weathered, yellow,