When the pyramids were built 3000 years ago there was no sewer system for anyone.
A sewer system is the sewer or the sysyem of the sewer.
"A sewer contractor works in the sewer system.
The drainage system of harappan civilization was very well civilized system
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The 4 major achievements of the Harappan Civilization is:1,The sewer System2,The writing system3,Jewlery4,Art
The first sewers were built by the Romans who built London, or Londium as they named it, they were very ahead of their time as far as sewage, central heating etc was concerned. Some of the sewers still in use, follow the same route as the Romans
The two main types of sewer systems are the sanitary sewer system and the stormwater sewer system. They are different because sanitary sewer system has water from sinks, baths, washing machines, and toilets and the stormwater sewer system has water from the rain or melted snow that run off streets and the surface of the land.
because it was built with a civilized city plan.
grid system
The two main types of sewer systems are the sanitary sewer system and the stormwater sewer system. They are different because sanitary sewer system has water from sinks, baths, washing machines, and toilets and the stormwater sewer system has water from the rain or melted snow that run off streets and the surface of the land.
After you flush the toilet, the poop goes through a system of pipes called the sewer system. The sewer system transports the waste to a wastewater treatment plant where it is treated and processed.