Sewer pipes are made of.
AStone ware
BTerracotta
CRefractory clay
DFire clay
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
The suitable cross-section of sewers to combined flow is
The septic tank should be cleaned at regular intervals but should not exceed:
Back washing of rapid gravity filters, may face rough weather, due to:
Shallow ponds in which dissolved oxygen is present at are depth are called:
The organic impurities are converted into simple and harmless compounds due to: