Ключевые слова: advice, advisory, alarm, alert, area, arrow, attention, beware, careful, caution, current, danger, dangerous, death, electric, electricity, emblem, energy, extreme, flash, forbidden, hazard, high, icon, illustration, industrial, industry, information, internet, isolated, label, lightning, notice, power, precaution, protect, protection, risk, safety, security, shock, sign, symbol, threat, thunder, triangle, volt, voltage, wall, warning,