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2. Escape breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/Escape_breathing_apparatus

   Polish Au-2 escape respirator. Escape breathing apparatus, also called escape respirators, escape sets, self-rescuer masks, emergency life saving apparatus (ELSA), emergency escape breathing devices (EEBD), and Respiratory Protective Smoke Escape Devices (RPED), [1] [2] are portable breathing apparatus that provide the wearer with respiratory protection for a limited period, intended for ...

3. Self-contained breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/Self-contained_breathing...

   SCBAs usually come with full-facepieces, [15] but can also come with half-mask or mouthpiece in demand or pressure-demand mode, though use of mouthpieces are limited to escapes only, as of 1987. [4] Hoods and helmets are limited to continuous flow mode only, and are also used in air-line respirators in addition to escape-only SCBAs. [4] [16]

4. Glossary of breathing apparatus terminology - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_breathing...

   An N95 filtering facepiece respirator, commonly abbreviated N95 respirator, [41] is a particulate-filtering facepiece respirator that meets the U.S. National Institute for Occupational Safety and Health (NIOSH) N95 classification of air filtration, meaning that it filters at least 95% of airborne particles that have a mass median aerodynamic ...

5. 9 NIOSH-Approved N95 Respirator Face Masks You Should ... - AOL

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6. Breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/Breathing_apparatus

   Breathing apparatus are used for mine escape and rescue, firefighting, or working in hypoxic or toxic atmospheres at pressures near to normal atmospheric pressure. These may supply breathing gas at a slight overpressure, also known as positive pressure , to prevent contamination by ambient gas, as leakage from the breathing set is generally ...

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