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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. Glasses - Wikipedia

    en.wikipedia.org/wiki/Glasses

    There are also safety glasses for welding, which are styled like wraparound sunglasses, but with much darker lenses, for use in welding where a full-sized welding helmet is inconvenient or uncomfortable. These are often called "flash goggles" because they provide protection from welding flash. [6]

  4. Eye protection - Wikipedia

    en.wikipedia.org/wiki/Eye_protection

    A welding helmet is a type of headgear used when performing certain types of welding to protect the eyes, face and neck from flash burn, ultraviolet light, sparks, infrared light, and heat. A welding hand shield is a metal plate containing the same protective lens as a welding helmet with a handle on the bottom, intended to be held up in front ...

  5. Visor - Wikipedia

    en.wikipedia.org/wiki/Visor

    The transparent or semi-transparent front part of a motorcycle helmet or riot helmet (sometimes shaded/tinted) The transparent or semi-transparent, heavily shaded/tinted, front part of a welding mask; Safety face shields used in construction, industry, or medical settings; An eyeshield to protect the eyes from sunlight on an American football ...

  6. Coddington magnifier - Wikipedia

    en.wikipedia.org/wiki/Coddington_magnifier

    A Coddington magnifier is a magnifying glass consisting of a single very thick lens with a central deep groove diaphragm at the equator, thus limiting the rays to those close to the axis, which minimizes spherical aberration. This allows for greater magnification than a conventional magnifying glass, typically 10× up to 20×. Most single lens ...

  7. Personnel Armor System for Ground Troops - Wikipedia

    en.wikipedia.org/wiki/Personnel_Armor_System_for...

    Personnel Armor System for Ground Troops (PASGT, pronounced / ˈ p æ z É¡ É™ t / PAZ-gÉ™t) is a combat helmet and ballistic vest that was used by the United States military from the early 1980s until the early or mid-2000s, when the helmet and vest were succeeded by the Lightweight Helmet (LWH), Modular Integrated Communications Helmet (MICH), and Interceptor body armor (IBA) respectively.

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