Ключевые слова: access, allowed, attention, background, ban, caution, circle, danger, denied, disallowed, enter, entrance, entry, forbid, forbidden, graphic, hazard, icon, illegal, information, isolated, label, law, mark, no, object, prohibit, prohibited, prohibition, protection, red, restrict, restricted, restriction, restrictive, risk, road, round, rule, safety, security, sign, single, stop, street, symbol, traffic, transportation, warning, wrong,