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2. Self-contained breathing apparatus - Wikipedia

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

   t. e. A self-contained breathing apparatus ( SCBA) is a respirator worn to provide an autonomous supply of breathable gas in an atmosphere that is immediately dangerous to life or health from a gas cylinder. [ 1] They are typically used in firefighting and industry. The term self-contained means that the SCBA is not dependent on a remote supply ...

3. Respirator - Wikipedia

   en.wikipedia.org/wiki/Respirator

   Respirator. White, disposable cup N95 filtering facepiece respirator. A half-face elastomeric air-purifying respirator. This kind of respirator is reusable, with the filters being replaced periodically. A respirator is a device designed to protect the wearer from inhaling hazardous atmospheres including lead fumes, vapours, gases and ...

4. N95 respirator - Wikipedia

   en.wikipedia.org/wiki/N95_respirator

   An N95 respirator is a disposable filtering facepiece respirator or reusable elastomeric filter 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 diameter of 0.3 micrometers [1] under 42 CFR Part 84, effective July 10, 1995. [2]

5. Face masks during the COVID-19 pandemic - Wikipedia

   en.wikipedia.org/wiki/Face_masks_during_the...

   ] The corresponding face mask used in the European Union is the FFP2 respirator. [53] [54] Hard electret-filter masks like N95 and FFP masks must fit the face to provide full protection. Untrained users often get a reasonable fit, but fewer than one in four gets a perfect fit. Fit testing is thus standard, though debated.

6. Oxygen mask - Wikipedia

   en.wikipedia.org/wiki/Oxygen_mask

   Oxygen mask. An oxygen mask is a mask that provides a method to transfer breathing oxygen gas from a storage tank to the lungs. Oxygen masks may cover only the nose and mouth (oral nasal mask) or the entire face (full-face mask). They may be made of plastic, silicone, or rubber . In certain circumstances, oxygen may be delivered via a nasal ...

7. Positive airway pressure - Wikipedia

   en.wikipedia.org/wiki/Positive_airway_pressure

   Positive airway pressure ( PAP) is a mode of respiratory ventilation used in the treatment of sleep apnea. PAP ventilation is also commonly used for those who are critically ill in hospital with respiratory failure, in newborn infants ( neonates ), and for the prevention and treatment of atelectasis in patients with difficulty taking deep breaths.