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Sigma KEE - TapWater
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tap water
TapWater is Water from the tap. It is mostly safe to be consumed by Human in some advanced countries, but it may also contain harmful substance, such as lead which are bad for human health. It is this reason that it is not classfified under DrinkingWater.
Relationships      
Parents freshwater FreshWater is the subclass of Water that has low soluble mineral content. See also DrinkingWater.


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