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2. Self-contained breathing apparatus - Wikipedia

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

   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.

3. Self-contained self-rescue device - Wikipedia

   en.wikipedia.org/wiki/Self-contained_self-rescue...

   Test bench for a miner's closed circuit self-rescuers. A self-contained self-rescue device, SCSR, self-contained self-rescuer, or air pack is a type of closed-circuit SCBA [1] with a portable oxygen source for providing breathable air when the surrounding atmosphere lacks oxygen or is contaminated with toxic gases, e.g. carbon monoxide.

4. Breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/Breathing_apparatus

   A self-contained breathing apparatus (SCBA) is a type of atmosphere-supplying breathing apparatus in which the breathing gas source is carried by the user. [ 5 ] A supplied-air respirator (SAR), or airline respirator, is a type of atmosphere-supplying breathing apparatus which uses a hose to supply breathing gas from a source which is not ...

5. Sleep apnea: causes, symptoms, treatments, and how it ... - AOL

   www.aol.com/lifestyle/sleep-apnea-causes...

   "This metric helps your doctor determine the severity of your sleep apnea and can help guide treatment choices." Obstructive sleep apnea can be categorized as mild, moderate or severe. Mild sleep ...

6. What is Sleep Apnea? Symptoms & Treatment Options - AOL

   www.aol.com/sleep-apnea-symptoms-treatment...

   Sleep apnea is a common sleep disorder that affects more than 20 percent of people in the United States. It happens when your breathing temporarily stops while you sleep. Depending on the severity ...

7. Scott Air-Pak SCBA - Wikipedia

   en.wikipedia.org/wiki/Scott_Air-Pak_SCBA

   A Royal Thai Navy sailor dons a self-contained breathing apparatus. Aviation Ordnanceman explains how to use the Self Contained Breathing Apparatus (SCBA). The Scott Air-Pak SCBA is an open-circuit, self-contained breathing apparatus designed to meet the National Fire Protection Association (NFPA) Standard 1981.