A manhole (utility hole, maintenance hole, or sewer hole) is an opening to a confined space such as a shaft, utility vault, or large vessel. Manholes are often used as an access point for an underground public utility, allowing inspection, maintenance, and system upgrades.
They are the holes made in the sewer system to clean and maintain the hygiene and flow of wastewater as if the flow of water will be fast then the waste water can spread and it cannot be cleaned time to time
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Answer:
A manhole (utility hole, maintenance hole, or sewer hole) is an opening to a confined space such as a shaft, utility vault, or large vessel. Manholes are often used as an access point for an underground public utility, allowing inspection, maintenance, and system upgrades.
Explanation:
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Answer:
Manholes are:
Explanation:
They are the holes made in the sewer system to clean and maintain the hygiene and flow of wastewater as if the flow of water will be fast then the waste water can spread and it cannot be cleaned time to time