Ключевые слова: 3d, alternative, background, black, cell, clean, concept, conservation, design, eco, ecological, ecology, electric, electrical, electricity, energy, environment, environmental, equipment, flat, generation, generator, graphic, green, house, icon, illustration, industry, innovation, isolated, isometric, light, lightning, modern, nature, new, panel, power, renewable, resource, solar, station, sun, sunlight, supply, symbol, technology, yellow,