save electricity save energyby | 04-01-2014 22:31 |
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 Electricity is important for us .It is play important role in our life.Source of generating electricity is coal ,solar energy ,wind energy.some are renewable and some are non- renewable .Coal is made when decomposition of tree,it takes thousand of year.for generating of electricity then take maximum amount of coal .when you have need electicity then switch on but when you have no need of electricity then switch off ,then you automatically save environment. |
