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A problem in mining is that the average age of miners is increasing (43.3 years in the US in 2013), and vision deteriorates with ages. [70] LED technology is physically robust compared to a filament light bulb, and has a longer life: 50,000 hours compared to 1,000 – 3,000.
A wheat lamp is a type of incandescent light designed for use in underground mining, named for inventor Grant Wheat and manufactured by Koehler Lighting Products in Wilkes-Barre, Pennsylvania, United States, a region known for extensive mining activity.
A mining lamp is a lamp, developed for the rigid necessities of underground mining operations. Most often it is worn on a hard hat in the form of a headlamp. History
A type of Davy lamp with apertures for gauging flame height. The lamp consists of a wick lamp with the flame enclosed inside a mesh screen. The screen acts as a flame arrestor; air (and any firedamp present) can pass through the mesh freely enough to support combustion, but the holes are too fine to allow a flame to propagate through them and ignite any firedamp outside the mesh.
Category talk:Mining communities in the Northwest Territories; Category talk:Mining communities of the California Gold Rush; Category talk:Mining companies of Belgium; Category talk:Mining companies of Canada; Category talk:Mining engineering; Category talk:Mining engineering journals; Category talk:Mining engineers; Category talk:Mining in Alberta
A mining or caving lamp has calcium carbide placed in a lower chamber, the generator. The upper reservoir is then filled with water. A threaded valve or other mechanism is used to control the rate at which the water is allowed to drip into the chamber containing the calcium carbide.
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