Results (
English) 1:
[Copy]Copied!
Estimates of the extent of loss (including non-revenue water is money) is 15% for a new system in the first year of operation, rising to 20% after 10 years of operation. Then the old water supply system with many machines connected and operating contractors just repair the leakage point to see is that there is no leak detection methods in particular.
Being translated, please wait..
