how do solar hot shower bags work? Besides the sun, what are the principles involved and how can I construct one myself?
I don't know the key to success, but the key to failure is trying to please everybody.
This is the one that I am familiar with. Is this what you are asking about?
Got an answer for jaime olguin? Would you like to comment on the posted answers, or vote for the one which you think is the best?
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Other people asked questions on various topics, and are still waiting for answer. Would be great if you can take a sec and answer them
