National Power Industries are superior supplier, dealers, distributors, and exporter of manhole cover, frp manhole cover, rcc manhole cover and ms manhole cover in Ahmedabad, Gujarat, India, Offer by national power industries
A manhole cover or maintenance hole cover is a removable plate forming the cap over the opening of a manhole, an opening large enough for a person to pass through that is used as an access point for an underground vault or pipe. It is designed to prevent anyone or anything from falling in, and to keep out unaccredited material.