T4pbike_winnowing.jpg (287 × 194 pixels, file size: 13 KB, MIME type: image/jpeg)
ported from technologyforthepoor.com with permission from Job Ebenezer, PhD.
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current | 04:57, 9 May 2008 | 287 × 194 (13 KB) | Curtbeckmann (talk | contribs) | ported from technologyforthepoor.com with permission from Job Ebenezer, PhD. |
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