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1-Solar:E
2-Wind:A
3-Tidal:F
4-Geothermal:B
5-Hydro-electric Power:C
6-Biomasa:D
domingo, 7 de marzo de 2010
Renewable energy resources
Join colums
1-Solar:E
2-Wind:A
3-Tidal:F
4-Geothermal:B
5-Hydro-electric Power:C
6-Biomasa:D
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