PREVIEW
... t drinking it directly.”
“Instead, we need to adopt some methods.”
“The water in the urine is absorbed by the sand in the pit. Because the temperature here is too high, and the plastic sheet is covering the pit, the water droplets that evaporate will condense on the surface of the membrane. When there are enough water droplets, they will naturally slide down to the sunken area and drip into the canteen.”
“Actually, it’s no different from distilled water.”
The audi ...
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