Ключевые слова: accident, alarm, alert, attack, attention, aware, beware, careful, caution, construction, danger, dangerous, death, electricity, entry, exclamation, failure, floor, glasses, hazard, help, icon, important, information, injury, isolated, message, notice, notification, parking, precaution, progress, protection, protective, repair, risk, rules, safety, secure, security, set, sign, signal, slippery, steps, stop, symbol, warn, warning, wet,