Ключевые слова: abstract, background, black, bolt, charge, circle, concept, current, design, ecologic, ecology, electric, electrical, electricity, element, energy, environment, flash, glyph, graphic, green, icon, illustration, isolated, light, lightning, line, logo, nature, plug, power, powerful, process, renewable, shock, sign, solar, storm, sustainable, symbol, synchronization, template, thin, thunder, thunderbolt, voltage, web, white,