1. power requirements There is more demand. 2. the birth of many industrial plants causing pollution problems, either through the water, the air, etc. 3. transport and transport, causing air pollution problems, audio, etc. 4. are you a member of a technology transactions in comparison to the two moral sword sharp. If the right side of the resulting benefits. If the wrong way, it is an egregious disasters such as the sinister image published on the Internet.
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