no contamination of drinking water con occur if closed pipes are used for drainage of sewage . ls this always true ?explain
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No not always Water has to be purified using hi tech machines and if something is wrong with the machine the water will not be purified in correct way. Some times water is also contaminated by the substances used for its purification.
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No,it is not always true that contamination will not occur if we use closed pipes for drainage of sewage.
• To prevent the water contamination we have to prevent the contact with dirty sewage water.
• And a closed pipe can help in the prevention of the contact between clean water and dirty water.
• But,the leak inspection and water purification is also necessary to get a perfectly non-contaminated water. Only the usage of closed pipes isn't enough to get purely non-contaminated water.
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