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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. ISO 15398 - Wikipedia

    en.wikipedia.org/wiki/ISO_15398

    The constraint "non-traffic areas" is also the crucial difference to the general European Standard for manhole covers EN124, which is only for vehicular access areas. Plastic-manhole covers according to ISO 15398 are designated for the commitment on control- and inspection chambers in pedestrian (class A 15) and light vehicular areas (max ...

  4. Sanitary sewer - Wikipedia

    en.wikipedia.org/wiki/Sanitary_sewer

    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.

  5. Sacramento’s history is underfoot. Take note of these manhole ...

    www.aol.com/sacramento-history-underfoot-note...

    The street is dotted with at least four covers made by long-defunct Berry’s Foundry which operated in the mid-20th century at 1817 29th St. in Sacramento. Looking something like a battle shield ...

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

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

  7. Sanitary manhole - Wikipedia

    en.wikipedia.org/wiki/Sanitary_manhole

    Sanitary manhole. A sanitary manhole (sewer manhole, [1] sanitary sewer manhole[2] or sewer maintenance hole[3]) is a manhole that is used as an access point for maintenance and inspection of an underground sanitary sewer system. Sanitary manholes are sometimes used as vents to prevent the buildup of pressurized sewage gas. [4]

  8. 6 Things To Do When a Loved One Refuses Home Care - AOL

    www.aol.com/lifestyle/6-things-loved-one-refuses...

    Continue to be present and supportive for your loved one. To signal that this is an important topic worth revisiting, McCoy says to set up a day and time to check back in with them about home care ...

  9. Sewage treatment - Wikipedia

    en.wikipedia.org/wiki/Sewage_treatment

    Sewage treatment (or domestic wastewater treatment, municipal wastewater treatment) is a type of wastewater treatment which aims to remove contaminants from sewage to produce an effluent that is suitable to discharge to the surrounding environment or an intended reuse application, thereby preventing water pollution from raw sewage discharges. [2]

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