Ключевые слова: alternative, art, battery, cell, charge, charger, clean, color, communication, conservation, design, device, drawing, eco, ecology, economy, electric, electrical, electricity, electronic, energy, environmental, equipment, flat, generation, generator, icon, illustration, image, mobile, modern, nature, object, panel, picture, power, reflection, science, shadow, sign, smart, solar, source, sun, sunlight, sunny, supply, symbol, technology,