Across
- 3. the process before the water enters the purification plant
- 5. to remove impurities
- 7. When clumps of impurities in a liquid settle
- 8. a chemical used to clean water
- 9. Cause water-born diseases in water
Down
- 1. plant Where water is cleaned before being supplied to residence
- 2. a process of removing larger particles from water
- 4. type of pollutants that can be removed using a filter
- 6. the place where water is held before it comes through pipes to our homes