Ключевые слова: alert, attention, bio, biological, biology, burn, button, chemical, corrosive, curl, danger, danger icon, dangerous, death, electrical, electricity, environmental, error, explosive, fire, flammable, formal, gas, global, hazard, hazardous, icon, important, internet, laser, lightning, mark, notice, official, oxidizing, packaging, radiation, risk, safety, secure, security, sign, silhouette, sticker, substance, symbol, toxic, warning, website, www,