__ ___
/\ \ /\_ \
___ \ \ \____ \//\ \ ___ __
/' _ `\ \ \ '__`\ \ \ \ / __`\ /'_ `\
|/\ \/\ \ \ \ \L\ \ \_\ \_ /\ \L\ \/\ \L\ \
\ \_\ \_\ \ \_,__/ /\____\\ \____/\ \____ \
\/_/\/_/ \/___/ \/____/ \/___/ \/___L\ \
/\____/
\_/__/
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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