Across
- 4. another word for waste items
- 6. droplets that fall from the sky
- 7. a system were are throwing unwanted things in clear and drinkable water
Down
- 1. which go underground and which are connected to all the houses drainage system
- 2. what do we use to drink, cook, wash, cloths
- 3. a tube which takes dirty water
- 5. over rain leads to