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A drain cover is a cover with holes (e.g. a manhole) or a grating used to cover a drain, to prevent unwanted entry of foreign objects, or injury to people or animals. It allows drainage of liquids but prevents entry from large solid objects, and thus acts as a coarse filter. A sink drain cover is a drain cover used to cover the sink drain.
Manhole cover theft can be a serious problem in China, where missing manhole covers caused at least eight deaths in 2004. [20] According to China's Xinhua News Agency, about "240,000 manhole and street-drain covers were stolen in Beijing in 2004." [21] In China Shakes the World, James Kynge describes the phenomenon:
Employing a solid cover or grating that is flush with the surrounding surface, this drain is commonly made of concrete in-situ and with the option of using polymer- or metal-based liners or a channel former to aid in channel crafting and slope formation. The drain is characterized by its long length and narrow width, the cross-section of the ...
Sanitary sewers serving industrial areas may also carry industrial wastewater. In municipalities served by sanitary sewers, separate storm drains may convey surface runoff directly to surface waters. An advantage of sanitary sewer systems is that they avoid combined sewer overflows.
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 ...
Max Verstappen called for Formula 1 venues to “double-check” the safety of objects around the track after a loose drain cover interrupted preseason testing for the second day running Friday.