Ключевые слова: alert, arrow, attention, black, caution, charge, closeup, current, danger, dangerous, death, detail, electric, electrical, electricity, electrocution, energy, equipment, fence, flash, hazard, high, icon, industrial, industry, isolated, lightning, line, notice, power, protect, protection, risk, safety, security, shock, sign, stop, supply, symbol, tension, transformer, triangle, volt, voltage, warning, yellow,