Ключевые слова: alternative, carrying, circuit, complexity, connection, connectivity, curve, dangerous, distribution, dusk, electrician, electricity, energetic, engine, engineering, flame, fuel, generate, generation, generator, glitter, grade, grid, hazard, horizontal, illuminated, infrastructure, lightning, many, network, no person, outline, outside, panoramic, photograph, photography, pollution, post, power, powerful, row, silhouette, spark, station, structure, sunrise, supply, transmission, user,