A very interesting idea how to make solar water heater at home:
https://wiki.lowtechlab.org/wiki/Chauffe-eau_solaire/en
Finally I have some use for all those saved coca bottles…
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A very interesting idea how to make solar water heater at home:
https://wiki.lowtechlab.org/wiki/Chauffe-eau_solaire/en
Finally I have some use for all those saved coca bottles…
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