Ten low-cost ways to treat water
2012-3-11u2002·u2002a) Advantages - Simple to use - Almost no cost - Very useful, or even essential for pre-treatment purposes b) Drawbacks - A summary treatment that cannot make water drinkable if already contaminated - Cost may be high depending on the energy source used 4) The three pot method This method serves the same purpose as filtration by removing the ...
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