Energy is a matter for human beings in modern times as much, because it involves the life of every human being on this earth. Energy is necessary to maintain daily life of everyone. Whether it is an oil power. Energy, water, or even electric power from coal. Paramount in this current era. Energy demand. More added every year, amounting to more by population and economic growth, but the demand for energy, it will be against the amount of energy that is starting to diminish, and are extremely limited, so saving energy and materials so valuable.All things social crises in the unit. There is need to help each other to have enough energy to be used in the future until they can find or develop other forms of energy, renewable energy, come on now, especially the development of clean energy such as solar energy.
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