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Headlamp attached to a helmet. A headlamp, headlight, or head torch is a light source affixed to the head typically for outdoor activities at night or in dark conditions such as caving, orienteering, hiking, skiing, backpacking, camping, mountaineering or mountain biking. Headlamps may also be used in adventure races.
1859 William Clark patented the first electrical mining lamp. [3] 1870s J.B.Marsaut (France) double gauze design [4] 1872 Coal Mines Regulation Act required locked lamps under certain conditions [5] 1881 Joseph Swan exhibited his first electric lamp 1882 Made by William Reid Clanny invented a 'bonnetted' Clanny lamp, [6]
Phishing is a form of social engineering and a scam where attackers deceive people into revealing sensitive information [1] or installing malware such as viruses, worms, adware, or ransomware.
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The Office of Mine Safety and Health (OMSHR), a part of the National Institute for Occupational Safety and Health (NIOSH) (itself part of Centers for Disease Control and Prevention) in the United States has been investigating the benefits of LED headlamps. A problem in mining is that the average age of miners is increasing (43.3 years in the US ...
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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.
These aren't dealbreakers for everyone. The Polaris 4K gets the important stuff right: image quality, sound quality, noise level and so on. And at this price, it's at least $1,000 less than most USTs.