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I thought you might be interested in looking at الشمس والصوت والهواء مصادر للطاقة الخضراء.
http://forum.qasweb.org/index.php?/topic/11704-%D8%A7%D9%84%D8%B4%D9%85%D8%B3-%D9%88%D8%A7%D9%84%D8%B5%D9%88%D8%AA-%D9%88%D8%A7%D9%84%D9%87%D9%88%D8%A7%D8%A1-%D9%85%D8%B5%D8%A7%D8%AF%D8%B1-%D9%84%D9%84%D8%B7%D8%A7%D9%82%D8%A9-%D8%A7%D9%84%D8%AE%D8%B6%D8%B1%D8%A7%D8%A1/&do=findComment&comment=40777
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