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प्रश्न
Match the following:
| Secondary Treatment | Disinfection |
| Grey water | Floatation |
| Primary Treatment | Reusable wastewater |
| Tertiary Treatment | Sedimentation |
जोड़ियाँ मिलाइएँ
उत्तर
| Secondary Treatment | Sedimentation |
| Grey water | Reusable wastewater |
| Primary Treatment | Floatation |
| Tertiary Treatment | Disinfection |
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
