1.- 2. Analysis of water consumption, methods of water need calculation. 3.- 4. Optimization of water system design. 5.- 6. Optimization of water distribution networks pressure condition. 7.- 8. Water losses, methods of their reporting, economic level of water losses, Smart water meters. 9.- 10. Indicators of technical state and methods of their determination. 11. Assessment of technical condition of water supply systems. 12. Reconstruction planning. 13. Risk analysis of water supply systems.