We use a lot of energy at home, and it cost us a lot. To save energy,we should use low energy light bulbs because they have save money and energy. However, we don't save much energy by turn on at night light, so we must turn off the light when we leave the room. We also turn off electrican appliances when we not using them. these habits are good for the environment. To sump up, everyone should raise awaraness about environmental protection.
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