Small wind turbine,Bergey 1500,1.5 kW. Center for Regenerative Studies,California State Polytechnic University,Pomona. Photo Dec 2008 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Giphotostock |
Taille de l’image : | 4500 px × 2955 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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