potable water

    Cards (7)

    • potable water is safe to drink
    • potable water is extracted from ground water and surface water
    • filtration methods filter clean water as wire mesh filters twigs and leaves
    • sterilisation kills harmful bacteria
    • desalination filters water as salty water is heated with causing water to evaporate leaving the salt behind
    • the fresh steam will enter a condenser and condemse back into liquid
    • clean water is then collected and tested to see ph and salts left behind can form crystals
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