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AndersTheUsurper t1_je315ns wrote

That faucet isn't connected directly to the municipal water supply, it's hooked to a reservoir of a machine that purifies the municipal water, which is the same place they get water for every other drink too

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beastmode1285 t1_je3gzwc wrote

Boiling water and collecting the steam is distillation. Reverse osmosis uses a semi-permiable membrane to separate the impurities from the water.

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