manhole cover

The manhole cover in a round shape allows easy installation, transportation as well as preventing risk of leakage.

With a circular structure, the top-down force will be dispersed evenly across the surface to help the manhole cover be affected.

Bluffdale residents, Utah, in the United States were shocked when they saw a substance like a green soap foam extruded on the manhole on July 21.

The workers behind the manhole covers in vintage style