Ash-laden sewage entering a treatment plant is likely to cause failure of mechanical prescreening equipment such as step screens or rotating screens.
2.
At screenshots sequence 2 > 3 > 4 > 5 i was going back at screenshot 2 to add reference once more and that was missing an essential particular flow of apply ( save ) changes with step Screen shot 8 and Screen shot 9 given below
मोबाइल