Ключевые слова: abstract, app, arrow, art, background, battery, black, blast, blitz, bolt, charge, concept, danger, design, electric, electrical, electricity, element, energy, fast, flash, flat, graphic, icon, illustration, isolated, light, lightening, lightning, logo, nature, power, powerful, set, shiny, shock, sign, silhouette, speed, storm, strike, symbol, thunder, thunderbolt, thunderstorm, volt, voltage, warning, weather,