House drainage should be laid by the side of the building.

Cast iron pipes should confirm to IS 1729.

Grease should not be allowed to enter the normal drainage system.

_______ is generally used in food processing units.

H2S gas is denser than air.

Submersible pumps require high maintenance.

What is the depth of brick masonry required in inspection chambers?

_________ is constructed outside the building to carry wastewater discharge.