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2 korzyści twardej wody
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2 benefits of hard water
calcium ions are good for healthy bones and teeth, magnesium ions are good for reduce the risk of heart disease.
jak działa kolumna jonowymienna
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how the ion exchange column works
ions exchange column have a lot of sodium and hydrogen ions which they exchange for calcium and magnesium ions, removing them from water.
kamień
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a scale
twardość
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hardness
jak zniwelowac kwasne deszcze
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how to neutralize acid rain
use biofuels, use public transport, using filters in power station chimneys to remove sulfur dioxide from emissions
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