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प्रश्न
Differentiate between the Following:
Sewage and Industrial waste
फरक स्पष्ट करा
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उत्तर
| Basis of Difference | Sewage | Industrial waste |
|---|---|---|
| Source | Sewage is wastewater from homes, carried through sewers. | Industrial waste is produced by factories and other industrial processes. |
| Typical contents | It commonly contains urine, faeces and other domestic wastewater. | It may contain chemicals, metals and other toxic substances. |
| Main pollution risk | Untreated sewage can contaminate water and spread diseases such as diarrhoea and hepatitis A. | Untreated industrial waste can poison aquatic life and cause effects such as immune-system suppression and reproductive failure. |
| Treatment | Sewage should be treated at a sewage treatment plant before being discharged. | Industrial effluents should be treated to remove harmful substances before discharge. |
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