Sewer pipes are made of
AEarthen ware
BStone ware
CRefractory clay(or Fire clay)
DTerracotta
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Related Questions:
Which of these provide the working space for maintenance and inspection of sewer?
The self cleaning velocity of the sewers is:
Lagooning is the
Which of the following sewer appurtenances discharge the excess sewage flow to relief sewer?
The system of collecting and carrying sewage through sewers :