water resources

4. Cleaning of sea water
6. A protected area of importance for wildlife, flora, fauna or features of geological or other special interest
7. A supply of water
9. An outdoor water-use restriction is a ban or other lesser restrictions put into effect that restricts the outdoor use of water supplies
14. 1 of the measures to conserve water supply
16. An area over which rainfalls and is collected
17. Weak/unfavourable position
18. Water shortage problem
20. Is a natural or artificial lake, storage pond or impoundment from a dam which is used to store water

1. 1 of the method of desalination
2. A process of removing undesirable chemicals, materials, and biological contaminants from raw water
3. Ensuring that wastage is kept to a minimum
5. Arrangement between 2/more countries regrading the supply and use of water resources over a specific period of time
8. Process of converting sea water into fresh water by removing salt from the sea water
10. Process of making a product or service available
11. To revise the terms of (a contract) so as to limit or regain excess profits gained by the contractor
12. The process of forcing water through a special membrane to remove very small particles
13. Process of filtering water to remove larger sized particles and bacteria from the water
15. Is a process to change materials into new products to prevent waste of potentially useful materials
19. The knowledge,skills and tools that people use to meet their needs