File:Natural ventilation.png

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Natural_ventilation.png(565 × 279 pixels, file size: 34 KB, MIME type: image/png)

Natural ventilation concept based on solar chimney with combination of photovoltaic cell

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current13:07, 30 August 2017Thumbnail for version as of 13:07, 30 August 2017565 × 279 (34 KB)Admin (talk | contribs)
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