Ключевые слова: accident, acid, alarm, alert, area, attention, background, battery, black, car, caution, charge, charging, danger, dangerous, design, device, electric, electrical, electricity, energy, equipment, graphic, hazard, health, human, icon, illustration, industrial, industry, information, isolated, label, plug, power, protection, risk, safety, security, set, sign, sticker, stop, symbol, technology, triangle, warning, yellow, zone,