الفهرس | Only 14 pages are availabe for public view |
Abstract pressurized potable network ( P.P.N.) is considered one of the most important infra strucres. itdeals with the basic human needs of water to survive applying to this idea the design of the potable network is considered a very important part of the engineering application yet it does not always carried out considering all changes of the design parameters with respect to time. |