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2. Chemical cartridge - Wikipedia

   en.wikipedia.org/wiki/Chemical_cartridge

   Legislation in the EU [72] [73] allows an employer to use only supplied air respirators when employees work in conditions where air pollution is IDLH, because of the risk of untimely cartridge replacement. Combined gas and particulate respirator canister for protection against acid gases, the type of BKF (БКФ). It has a transparent body and ...

3. File:Methods for the timely replacement of cartridges in ...

   en.wikipedia.org/wiki/File:Methods_for_the...

   Short title: Methods for the timely replacement of cartridges in respirators; Date and time of digitizing: 15:10, 22 June 2015: Software used: LaTeX with hyperref package

4. NIOSH air filtration rating - Wikipedia

   en.wikipedia.org/wiki/NIOSH_air_filtration_rating

   Person wearing purple 3M 7093 P100 cartridge filters. For particulate respirators, while NIOSH designates P100 as filter cartridges that can use the "magenta" color, ANSI designates P100 as "purple", a color which can be seen on some P100 filter cartridges.

5. Powered air-purifying respirator - Wikipedia

   en.wikipedia.org/wiki/Powered_air-purifying...

   A powered air-purifying respirator (PAPR) is a type of respirator used to safeguard workers against contaminated air. PAPRs consist of a headgear-and-fan assembly that takes ambient air contaminated with one or more type of pollutant or pathogen , actively removes (filters) a sufficient proportion of these hazards, and then delivers the clean ...

6. European respirator standards - Wikipedia

   en.wikipedia.org/wiki/European_respirator_standards

   EN 14683 defines respirators for use in medical settings, [4] while European standard EN 143 defines the 'P' classes of particle filters that can be attached to a face mask, which are P1, P2, and P3. The EN 143 filters are typically used on reusable respirators, like elastomeric respirators. [5] EN 14387 is the chemical cartridge standard in ...

7. 5 Items From the 1970s That Are Worth a Lot of Money - AOL

   www.aol.com/5-items-1970s-worth-lot-170007423.html

   Collectors today prize well-maintained Atari consoles and rare game cartridges, with some fetching several thousand dollars. These home or arcade video games, particularly in their original, or ...