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Another great effort! Can you please explain the water purification going on in the plastic bottles. I have seen photos of this done in Africa on black roofs. How long would you leave these out in the sun & can it be done placed in the solar cooker if you do not have galvanized tin or black tarp? Thanks again,~ahya
ahya48 3 years ago
good effort for a state like Kangleipak with low exposure
LALDENGA2007 3 years ago