Ключевые слова: abstract, app, arrow, battery, black, blitz, bolt, climate, cloud, company, concept, current, danger, design, electric, electrical, electricity, electronic, element, energy, fast, faster, flash, graphic, icon, illustration, internet, isolated, light, lightening, lightning, line, nature, outline, power, set, shape, shock, sign, storm, symbol, template, thunder, thunderbolt, thunderstorm, voltage, warning, web,