Want this question answered?
It is important to treat sewage otherwise the water will be polluted.
The Earliest Industrial Sewage system was developed and invented in twentieth century. This system is called Davyhulme Sewage Works, (the activated Sludge). This system was activated all over the world.
excretory system
Joseph Bazelgette designed and built the first sewage system for London
yes
A drainage system for carrying surface water and sewage for disposal.
there are no rivers in jeddah
nothing
Sewage system
Proper disposal of excreta and sewage is extremely important for maintaining public health. This is usually handled by a sewage facility.
The sewage
A septic system is essentially a miniature sewage system. It does all the same things, just on a smaller scale.