Ключевые слова: advisory, alarm, alert, arrow, art, attention, background, banner, beware, caution, current, danger, dangerous, electric, electricity, emblem, energy, flash, flat, forbidden, hazard, high, icon, illustration, industrial, industry, information, isolated, label, lightning, notice, power, precaution, protect, protection, risk, safety, secure, security, sign, symbol, threat, thunder, triangle, volt, voltage, warning, white, zone,