Question

what is sewer , sewerage and manhole​

Answer 1

Answer:

A sewer is a large underground channel that carries waste matter and rain water away, usually to a place where it is treated and made harmless.

Explanation:

sewerage and manhole​ :-

Sewage manholes are the same manholes that are installed in sewage transfer lines and are used for access and drainage of sewage lines. Sewage sludge is now made of polyethylene materials, which benefits from these manholes

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Answer 2

Answer:

A sewer is a large underground channel that carries waste matter and rain water away, usually to a place where it is treated and made harmless.

Sewerage is the infrastructure that conveys sewage or surface runoff using sewers.

A manhole is an opening to a confined space such as a shaft, utility vault, or large vessel.

Explanation:

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