Ключевые слова: background, black, blue, bolt, branch, charge, crack, current, curve, danger, dark, discharge, effect, electric, electrical, electrician, electricity, energy, flare, flash, flat, force, fulminant, gap, glow, graphic, horizontal, illustration, light, lightning, line, nature, neuron, night, power, powerful, river, shock, signal, sky, spark, storm, strike, synapse, thunder, thunderbolt, thunderstorm, vector, voltage, weather,