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2. Welding helmet - Wikipedia

   en.wikipedia.org/wiki/Welding_helmet

   A welding helmet in use. A welding helmet is a piece of personal protective equipment used by welders to protect the user from concentrated light and flying particles. . Different welding processes need stronger lens shades with auto-darkening filters, while goggles suffice for

3. Photokeratitis - Wikipedia

   en.wikipedia.org/wiki/Photokeratitis

   Common causes include welding with failure to use adequate eye protection such as an appropriate welding helmet or welding goggles. This is termed arc eye , while photokeratitis caused by exposure to sunlight reflected from ice and snow, particularly at elevation, is commonly called snow blindness . [ 5 ]

4. Arc welding - Wikipedia

   en.wikipedia.org/wiki/Arc_welding

   Arc welding power supplies can deliver either direct (DC) or alternating (AC) current to the work, while consumable or non-consumable electrodes are used. The welding area is usually protected by some type of shielding gas (e.g. an inert gas), vapor, or slag. Arc welding processes may be manual, semi-automatic, or fully automated.

5. Alexander Kennedy Miller - Wikipedia

   en.wikipedia.org/wiki/Alexander_Kennedy_Miller

   Alexander Kennedy Miller (July 14, 1906 – October 23, 1993), [1] also known as A. K. Miller, was an eccentric recluse who operated Miller's Flying Service in 1930, in Montclair, New Jersey, US. Miller provided mail and other delivery services by means of an autogyro , as well as listing "Expert Automobile Repairing" and "Aeroplanes Rebuilt ...

6. Wikipedia:Language learning centre/Word list - Wikipedia

   en.wikipedia.org/wiki/Wikipedia:Language...

   Drawing up a comprehensive list of words in English is important as a reference when learning a language as it will show the equivalent words you need to learn in the other language to achieve fluency.

7. Smartglasses - Wikipedia

   en.wikipedia.org/wiki/Smartglasses

   As with other lifelogging and activity tracking devices, the GPS tracking unit and digital camera of some smartglasses can be used to record historical data. For example, after the completion of a workout, data can be uploaded into a computer or online to create a log of exercise activities for analysis.