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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. List of United States Marine Corps individual equipment

   en.wikipedia.org/wiki/List_of_United_States...

   Combat helmets. The Enhanced Combat Helmet (ECH) is a made of high-strength polyethylene with superior ballistic protection compared to previous Kevlar helmets. The ECH is being issued only to deployed units and will be turned in upon return and given to other combat units. Previous helmets like the LWH are being retained for training and ...

4. Personal protective equipment - Wikipedia

   en.wikipedia.org/wiki/Personal_protective_equipment

   There are two main types of respirators. One type of respirator functions by filtering out chemicals and gases, or airborne particles, from the air breathed by the user. [5] The filtration may be either passive or active (powered). Gas masks and particulate respirators (like N95 masks) [6] are examples of this type of respirator. A second type ...

5. Respirator assigned protection factors - Wikipedia

   en.wikipedia.org/wiki/Respirator_Assigned...

   1.1. The air purifuing respirators (negative pressure; and powered PAPR) - with high efficiency filters (>99.95%); 1.2. The supplied air respirators - with positive pressure demand air supply to the masks; and with continuous flow air supply to the helmets or hoods. 2 The APF for South Korea and RF are not mandatory, but recommended values only.

6. Supplied-air respirator - Wikipedia

   en.wikipedia.org/wiki/Supplied-air_respirator

   Air-purifying respirators have APFs in the range 5–50 while SARs are in the range 25–2000, and full-facepiece pressure-demand SARs with an auxiliary pressure-demand SCBA have an APF of 10,000. For substances hazardous to the eyes, a respirator equipped with a full facepiece, helmet, or hood is recommended.

7. College Football World Reacts To Jackson State’s New Helmet

   www.aol.com/college-football-world-reacts...

   The post College Football World Reacts To Jackson State’s New Helmet appeared first on The Spun. Jackson State, the college football program led by the former NFL star, is opening its 2021 ...