26-28 in Thermaikos, Greece, near Thessaloniki, we will have workshop to teach people how to build an efficient solar air heating panel. The technology is described here: http://www.iedu.com/Solar/Panels/index.html and the details of the workshop here: http://anexartitiprotovoulia.blogspot.gr/2015/08/workshop-solar-panel.html
If you are around, come and join us!
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