Billede:Solar cell.png
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Solar_cell.png (341 × 305 pixel, file size: 195 KB, MIME type: image/png)
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Department of Energy Retrieved Aug. 17, 2005.
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This image is a work of a United States Department of Energy (or predecessor organization) employee, taken or made during the course of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain.
Please note that national laboratories operate under varying licences and some are not free. Check the site policies of any national lab before crediting it with this tag. |
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