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2. Manhole cover - Wikipedia

   en.wikipedia.org/wiki/Manhole_cover

   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.

3. Dry well - Wikipedia

   en.wikipedia.org/wiki/Dry_well

   Dry wells are excavated pits that may be filled with aggregate or air and are often lined with a perforated casing. The casings consist of perforated chambers made out of plastic or concrete and may be lined with geotextile. [4] They provide high stormwater infiltration capacity while also having a relatively small footprint. [5]

4. Answer Woman: Who makes the manhole covers with river ...

   www.aol.com/answer-woman-makes-manhole-covers...

   A reader asks for details about the Metropolitan Sewerage District's designed manhole covers. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways ...

5. Manhole - Wikipedia

   en.wikipedia.org/wiki/Manhole

   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 ...

6. Manhole cover explodes in downtown Detroit, leaving one ...

   www.aol.com/manhole-cover-explodes-downtown...

   A manhole cover in downtown Detroit, at the corner of Congress and Bates, launched off the ground Friday afternoon, sending one to the hospital.

7. Five times a manhole cover stopped F1 in its tracks

   www.aol.com/five-times-manhole-cover-stopped...

   For premium support please call: 800-290-4726 more ways to reach us

8. Neenah Foundry - Wikipedia

   en.wikipedia.org/wiki/Neenah_Foundry

   Neenah Foundry; Company type: Private; Subsidiary: Industry: Foundry: Founded: 1872, 153 years ago: Headquarters: 2121 Brooks Avenue Neenah, Wisconsin, U.S.: Products: Cast iron infrastructure solutions (manhole frames and covers, inlet frames and grates, trench frames and grates, airport products, bridge drainage, tree grates, detectable warning products, downspout boots, access and hatch ...

9. Bubbling green sludge leaks from New York City manhole cover ...

   www.aol.com/bubbling-green-sludge-leaks-york...

   A bright green liquid leaked from a New York City manhole cover in bizarre footage. There's literal green sludge bubbling up from the ground next to World Trade Center right now,” Dan Pantelo ...