Available Answers

1. 1.

   How is domestic waste water sent to the wastewater treatment plant?

2. 2.

   What are manholes?

3. 3.

   What is a skimmer?

4. 4.

   Why is the waste water disinfected before it is released into water bodies?

5. 5.

   How is a septic tank different from a biogas plant?

6. 6.

   Why is there an epidemic of water-borne diseases immediately after rains in some places?