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A round manhole and its cover. A manhole cover is a removable plate forming the lid 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 unauthorized persons and material.
A manhole cover for a sanitary sewer access point. View looking down into an open manhole showing two converging sanitary sewer lines. The larger line enters from the right and changes direction within the manhole to exit from the top of the photo. A smaller line enters from the bottom of the photo under the access steps.
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Manhole covers in Helsinki, Finland. Manhole closings are protected by a grating or manhole cover, a flat plug designed to prevent accidental or unauthorized access to the manhole. These covers are traditionally made of metal, [2] but may be constructed from precast concrete, glass reinforced plastic or other composite materials (especially ...
The Eaton Fire ignited Tuesday night near a canyon in the sprawling national forest lands north of downtown Los Angeles and had exploded to more than 10,000 acres by Wednesday, according to the U ...
The Lidia fire broke out at around 14:00 on Wednesday in the mountainous Acton area north of Los Angeles, and grew to cover almost 350 acres. As of 21:00, it had been 40% contained. As of 21:00 ...
The cover section is the top most section of sanitary manholes. It consists of a frame and a manhole cover. [16] The covers are designed to withstand the loads of the traffic on top of the manholes. Some are suitable for vehicular traffic, and some are for foot traffic only. [7]
This is the bizarre moment manhole covers were captured bouncing up and down on a road in northwestern China. In the video, shot in the city of Shangluo in Shaanxi Province on August 1, a couple ...
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