These energies are lost, so we all must save energy by various methods, such as 1. efficient use of paper, each sheet printed because paper thanangsue u-REE, those coming from cutting trees. 2. it's time to go shopping, do not leave the door open because the air is worked very hard that typical 3. conserve energy as far as possible all the water. Light oil, so that our children have these things in common use in the future.
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