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The electric from
People use electricty from water .Hydro-electric power stations use water to turn a generator.The generator makes the electricty.The electricity goes to a transformer，the transformer increases the number of volts to over 400，000
The electricity then gose by cables to different parts of the country.
The cables are very high up so that the electricity cannot jump to the ground.
Near the houses，the electricity goes to a trainsformer again.This reduces the number of volts to 110~220.
The electricity goes into houses by cables nearer the ground or sometimes underground.