Ключевые слова: alarm, alert, arrow, bolt, caution, charge, color, contour, danger, electric, electrical, electricity, electronic, element, energy, flash, hazard, illustration, image, impact, isolated, light, lightning, line, mark, neon, outline, power, powerful, red, risk, shape, shock, sign, storm, thin, thunder, thunderbolt, thunderstorm, voltage, warning, weather, zigzag,