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Here is a crossword puzzle: Good luck!
3. Liquid waste products
4. Solid waste extracted in sewage treatment
6. A word related to hygiene
8. Waste matter discharged from human body
1. Used water
2. A pipe carrying sewage
5. Micro-organisms which causes cholera
7. A chemical to disinfect water
3. Liquid waste products: Sewage
4. Solid waste extracted in sewage treatment: Sludge
6. A word related to hygiene: Sanitation
8. Waste matter discharged from human body: Excreta
1. Used water: Wastewater
2. A pipe carrying sewage: Sewage
5. Micro-organisms which causes cholera: Bacteria
7. A chemical to disinfect water: Ozone
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