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  2. Self-contained breathing apparatus - Wikipedia

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

    In the United States and Canada, SCBAs used in firefighting must meet guidelines established by the National Fire Protection Association, NFPA Standard 1981. If an SCBA is labeled as "1981 NFPA compliant", it is designed for firefighting. The current version of the standard was published in 2018. [26] These standards are revised every five years.

  3. Cascade filling system - Wikipedia

    en.wikipedia.org/wiki/Cascade_filling_system

    A cascade filling system is a high-pressure gas cylinder storage system that is used for the refilling of smaller compressed gas cylinders. [ 1 ] [ 2 ] In some applications, each of the large cylinders is filled by a compressor , otherwise they may be filled remotely and replaced when the pressure is too low for effective transfer.

  4. Light and air unit - Wikipedia

    en.wikipedia.org/wiki/Light_and_air_unit

    An air and light unit, also known as a breathing support unit or mobile air unit, is a specialized firefighting apparatus used by first responders to provide supplemental lighting and self-contained breathing apparatus cylinders and cylinder filling services at the scene of an emergency. [1]

  5. Supplied-air respirator - Wikipedia

    en.wikipedia.org/wiki/Supplied-air_respirator

    SARs without an auxiliary SCBA may also be used in conditions where an air-purifying respirator may be used, and have the benefit of a higher range of assigned protection factors (APF). 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 ...

  6. Escape breathing apparatus - Wikipedia

    en.wikipedia.org/wiki/Escape_breathing_apparatus

    Both systems were based on oxygen supply from a high-pressure cylinder with simultaneous absorption of carbon dioxide by an inserted cartridge filled with sodium hydroxide. 1916: The Draeger model DM 2 became standard equipment of the German Navy. 1926: Draeger displayed a rescue breathing apparatus that the wearer could swim with.

  7. Cascade Aerospace - Wikipedia

    en.wikipedia.org/wiki/Cascade_Aerospace

    Cascade Aerospace is headquartered in a 21 000 m 2 facility at the Abbotsford International Airport, in Abbotsford, British Columbia, Canada.The facility was built in 2000 and is designed and equipped to accommodate eight narrow-body aircraft.

  8. Built-in breathing system - Wikipedia

    en.wikipedia.org/wiki/Built-in_breathing_system

    These are systems used to supply breathing gas on demand in a chamber which is at a pressure greater than the ambient pressure outside the chamber. [1] The pressure difference between chamber and external ambient pressure makes it possible to exhaust the exhaled gas to the external environment, but the flow must be controlled so that only exhaled gas is vented through the system, and it does ...

  9. Online auction - Wikipedia

    en.wikipedia.org/wiki/Online_auction

    The largest consumer-to-consumer online auction site is eBay, which researchers suggest is popular because it is a convenient, efficient, and effective method for buying and selling goods. [ 6 ] Despite the benefits of online auctions, the anonymity of the internet, the large market, and the ease of access makes online auction fraud easier than ...

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    what is a scbascba air supply