manhole

he lifted the manhole cover and peered into the depths beneath.

inspectors can lamp the lines between the manholes for routine maintenance observations.

Body has handhole (or manhole) for easy wash and examination, And bottle valve set up inlet/outlet valve,safety valve, pressure gauge and pressure gauge valve, drain valve etc.

The manhole cover was heavy and difficult to lift.

The workers were repairing a broken manhole in the street.

A manhole explosion caused a temporary road closure.

The manhole was overflowing with rainwater.

The city installed new manhole covers to improve safety.

The cat disappeared down the manhole.

The manhole was marked with warning signs.

The manhole was filled with debris and needed to be cleared.

The manhole led to an underground tunnel system.

The manhole was surrounded by caution tape.