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2. Welding helmet - Wikipedia

   en.wikipedia.org/wiki/Welding_helmet

   Speedglas welding helmet. The modern welding helmet used today was first introduced in 1937 by Willson Products. [5] In 1981, Swedish manufacturer Hornell International (now owned by 3M [6]) introduced an LCD electronic shutter that darkens automatically when sensors detect the bright welding arc, [7] the Speedglas Auto-Darkening Filter. With ...

3. Photokeratitis - Wikipedia

   en.wikipedia.org/wiki/Photokeratitis

   Photokeratitis or ultraviolet keratitis is a painful eye condition caused by exposure of insufficiently protected eyes to the ultraviolet (UV) rays from either natural (e.g. intense direct or reflected sunlight) or artificial (e.g. the electric arc during welding) sources. Photokeratitis is akin to a sunburn of the cornea and conjunctiva.

4. AOL

   search.aol.com

   The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

5. List of combat helmets - Wikipedia

   en.wikipedia.org/wiki/List_of_combat_helmets

   PASGT-style helmet with four-point retention strap system and velcro-attached head pad system. Also used by NZDF since the 2000s. LShZ 1+ Russia 2012 Russian Special Forces, FSB, Syrian Army: M02 Composite Helmet: Finland: Finnish Defence Forces: Upgraded PASGT-style helmet, replacing the Gefechtshelm M92-style M/92 Komposiittikypärä helmet.

6. Future Assault Shell Technology helmet - Wikipedia

   en.wikipedia.org/wiki/Future_Assault_Shell...

   The FAST XR Helmet System released in 2022 represents an intermediate in protection between the SF line of helmets and the RF1 Helmet System, protecting against 7.62×39mm rifle rounds at a distance of 10 feet, but not against larger rounds such as 7.62×51mm. This is due to having a shell thickness of 0.280" (7.112mm).

7. Revolution helmets - Wikipedia

   en.wikipedia.org/wiki/Revolution_helmets

   Revolution helmets are a line of football helmets produced by Riddell Sports Group. The helmet brand is the most popular model in use in the National Football League, used by 83% of the players in the league as of 2008. [1] The most recent model in the Revolution line is the Speedflex helmet.