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74How to harness Sun's energy by making a solar concentrator
Visit this web page for detailed step-by-step construction method of a solar concentrator. If you need to work on your solar parabolic cooker project this is the article you should read.
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57Alternative Energy
World is going through a serious shortage of energy these days. Especially the developing countries need a lot more energy than many others. Oil has shot up to $100 per barrel. This sharp rise was already...
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