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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 ...
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.
Qatar Primary Materials Company (QPMC) (Arabic: شركة قطر للموارد الأولية), is a Qatari company that specializes in establishing and developing sources of raw materials, focuses on the efficiencies of material handling operations, and provides a strategic reserve of primary materials. The firm has seen some controversy ...
A sanitary manhole under construction. 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 ...
Ras Laffan Industrial City is Qatar's main site for production of liquefied natural gas and gas-to-liquid. It hosts among others ORYX GTL and Pearl GTL plants, QatarEnergy LNG plants, and the Dolphin gas processing plant, the Laffan Refinery, and Ras Laffan A, B, and C integrated water and power plants. With an enclosed water area of ...
Qatar Steel Company FZE [18] was established in August 2003 to produce steel wire-rod products. The company operates two primary facilities at its 60,000 Sq. meter Jebel Ali Free Zone site. The facilities have a yearly production capacity of 280,000 tonnes of wire rods and 300,000 tons of bars.
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 original form consisted of two pairs of retroreflectors set into a white rubber dome, mounted in a cast iron housing. This is the kind that marks the centre of the road, with one pair of cat's eyes showing in each direction. A single-ended form has become widely used in other colours at road margins and as lane dividers.
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