   neutral   Well, direct ones are the pollution directly from factories, refineries waste treatment plants etc., aren ’ t they?     neutral   Yeah. They are emitted directly into urban water supplies.  
    neutral   But what about the indirect ones?     neutral   Indirect sources include contaminants that enter the water supply from soils or groundwater systems and from the atmosphere via rainwater.  
    neutral   I see. For the sake of us all, we should be an active participator in the prevention of it.     neutral   
 What is your opinion then? Should people just take care of this problem personally, not by having some
 You said'for your health. What did you have in mind?    neutral   We