When you have studied this session, you should be able to:
- Define and use correctly all of the key words printed in bold.
- Describe drinking water delivery options in urban settings.
- Explain what leakage is, how it is detected and how it can be reduced.
- Describe the problems created through illegal connections to a water main.
पिछ्ला सुधार: मंगलवार, 2 अगस्त 2016, 4:19 अपराह्न