Ключевые слова: adapter, alternative, appliance, background, base, black, bright, bulb, cap, ceramic, close, connection, conservation, design, ecology, economy, efficient, electric, electrical, electricity, energy, environment, equipment, fixture, glass, group, holder, illuminate, installation, invention, lamp, lamp holder, lampholder, light, lightbulb, metal, modern, object, power, save, shine, socket, supply, technology, thread, three, tube, up, white,