File:Power's control model.jpg

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Power's_control_model.jpg(438 × 336 pixels, file size: 17 KB, MIME type: image/jpeg)

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current05:25, 27 March 2009Thumbnail for version as of 05:25, 27 March 2009438 × 336 (17 KB)Clare.xie (talk | contribs)
05:23, 27 March 2009Thumbnail for version as of 05:23, 27 March 20091,202 × 923 (67 KB)Clare.xie (talk | contribs)

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