Primitive technology : create fresh water from sea water | pure water

Hello . This video will teach you how to get fresh water and food while on shore and my job is to start looking for a big bamboo tube and cut it into segments with two upper and lower tube sections. chisel a hole to pour the sea water into the lower tube, tighten a piece to make a glass of sea water and pour it into the gutter to not stick to the freshwater tube, then sealed leaves The top of the tube is tilted and folded over the rock and then covered with fresh water. The principle of operation of this system is that after about 2 to 3 hours the water below the bamboo tube will absorb the heat of the sun and then evaporate to the upper tube and condense to the lowest point so we
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