Ключевые слова: advisory, alert, area, arrow, attention, background, banner, beware, board, current, danger, death, dirty, electric, electricity, emblem, energy, flash, forbidden, hazard, high, illustration, industrial, industry, information, isolated, label, lightning, notice, plate, power, protect, protection, risk, safety, security, shock, sign, signpost, stylized, switchboard, symbol, threat, thunder, volt, voltage, warning, white, yellow,