Ключевые слова: abstract, background, beginnings, black, bright, bulb, close up, closeup, concepts, conservation, creativity, crowd, dark, design, discovery, electric, electrical, electricity, electrisity, energy, energysaving, environmental, equipment, filament, from, glass, glowing, group, ideas, illuminated, imagination, innovation, inspiration, intellectual, isolated, lamp, leadership, leaf, light, lighting, line, motivation, night, nobody, object, objects, out, past, plastic,