Removable plate atop an opening large enough for a person to pass through
A round manhole and its cover
A manhole cover or maintenance hole 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.
Ancient Roman sewer grate made out of lime sandstone, 1st century AD, excavated at Vindobona (present-day Vienna)
Manhole covers date back at least to the era of ancient Rome, which had sewer grates made from stone.
A manholecover or maintenance hole cover is a removable plate forming the lid over the opening of a manhole, an opening large enough for a person to pass...
square. Manhole closings are protected by a grating or manholecover, a flat plug designed to prevent accidental or unauthorized access to the manhole. These...
A sanitary manhole (sewer manhole, sanitary sewer manhole or sewer maintenance hole) is a manhole that is used as an access point for maintenance and inspection...
This is a list of manholecover markings found in New York City. Bell System BECo = Brooklyn Edison Company BHRR = Brooklyn Heights Railroad BMT = Brooklyn-Manhattan...
The Manhole is an adventure video game in which the player opens a manhole and reveals a gigantic beanstalk, leading to fantastic worlds. The game was...
for the quality of his products and received several royal warrants. Manholecovers with Crapper's company's name on them in Westminster Abbey have become...
2006. Thomson, Iain (July 16, 2015). "Science: Did speeding American manholecover beat Sputnik into space? Top boffin speaks to El Reg - How a nuke blast...
each end with a special cement mixture in between was pulled from one manholecover to the next, coating the pipe with the cement under high pressure, which...
reporting her success on the phone, Mary's shoe heel gets stuck in a manholecover. As she struggles to free herself, a taxicab collides with a dumpster...
full mile from a production site, while another was never found. A manholecover was removed near Moore Medical Center, and vehicles were thrown hundreds...
States, based in Neenah, Wisconsin. The company manufactures cast iron manholecovers, gratings, and similar items for municipal and construction applications...
printed in over thirty countries but only makes three prints per plate (manholecover). [It] was not until his late twenties that he realized art would be...
solid objects. Grating - drain cover, ancient Roman architecture at Vindobona, Austria. Sewer grating (manholecover) that can be driven on despite letting...
fire continued for the next two days, with flames shooting out of a manholecover from a burst gas main, before being extinguished. Several thousand people...
Small ones are usually entered through a manhole or grate on the topside and closed up by a manholecover. Such vaults are considered confined spaces...
usually incorporates two chambers, each equipped with an access opening and cover, and separated by a dividing wall with openings located about midway between...
after he is sold into slavery. The inscription in the Arch of Titus Manholecover in Rome with SPQR inscription SPQR in the coat of arms of Reggio Emilia...
the door opening. This left a crescent-shaped opening, similar to a manholecover left ajar but held in place. This created an opening that was 24 inches...
Rebecca (February 5, 2016). "The fastest object ever launched was a manholecover — here's the story from the guy who shot it into space". Tech Insider...
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