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An improper drainage system would be anything that allowed sewage to drain directly onto the ground. This would cause contamination of the ground and make people sick if they were to come in contact with it.
Due to the improper drainage system near to the sea coast, Mumbai is a place of frequent floods.
they are still building a drainage system
The drainage system of harappan civilization was very well civilized system
Yes,it does.The Indus Valley Civilisation drainage system is a roadside type of drainage.
A drainage system that is additional to the normal one.
locality
digestive system
There are lots of possible answers,A drainage basinA watershedA drainage systemDendritic drainage patternTrellis drainage patternParallel drainage patternRectangular drainage patternRadial drainage patternAnnular drainage patternDiscordant drainage patternA spring headTributariesConfluencesA river system
Sani Flow system if not able to get gravity drainage.
sheit
The drainage system was very well maintained. the drains from the houses joined the street drains. these drains were covered with bricks slabs.l