how to control off our river water pollution with engineering
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Keep out oils, fat, or grease from the sink. ...Abstain from flushing contaminated liquids, pills, drugs, or medications down the drain. ...Desist from using the toilet as a bin. ...Ensure minimal use of bleach or detergents. ...Reduce the use of herbicides, pesticides, and fertilizers. ...Proper sewage treatment and management.
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