The tanks used for treating the sewage from isolated residences where drainage connection to public sewer system isnot possible :
ASeptic tank
BCatch basin
CSewer lines
DSeepage pit
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Related Questions:
Which of the following would help prevent escape of foul sewer gases from water closet:
The suitable cross-section of sewers to combined flow is
From septic tank the effluents are discharged into:
Back washing of rapid gravity filters, may face rough weather, due to:
The self cleaning velocity of the sewers is: