http://www.e24.ee/?id=286634&com=1&lk=3
13.07.2010 11:42
Wisa : Tonisee2 le
On päikesepaneele kasuteguriga 66prots.
http://www.solardaily.com/reports/New_Breakthrough_Increases_Solar_Cell_Conversion_Efficiency_To_66_Percent_999.html
ja selliseid, kus 1kWh el.hind 0,14dollarit
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