Ключевые слова: addiction, background, bad, ban, black, cigarette, circle, danger, dont, door, entrance, forbidden, free, habit, hazard, health, hospital, icon, information, institution, law, message, nicotine, no, plastic, prohibit, prohibition, public, red, restrict, risk, safety, sign, signage, smoke, smoking, stop, symbol, tobacco, transparent, unhealthy, warning, white,