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  2. Rebreather - Wikipedia

    en.wikipedia.org/wiki/Rebreather

    Rebreathers can also be subdivided by functional principle as closed circuit and semi-closed circuit rebreathers. Closed circuit rebreather: A closed circuit rebreather adds oxygen to the loop gas to make up for oxygen used by metabolic processes. These processes do not use diluent gas, so none is added unless the volume of the loop is reduced ...

  3. Diving rebreather - Wikipedia

    en.wikipedia.org/wiki/Diving_rebreather

    A Diving rebreather is an underwater breathing apparatus that absorbs the carbon dioxide of a diver's exhaled breath to permit the rebreathing (recycling) of the substantially unused oxygen content, and unused inert content when present, of each breath.

  4. Underwater breathing apparatus - Wikipedia

    en.wikipedia.org/wiki/Underwater_breathing_apparatus

    Underwater breathing apparatus can be classified as open circuit, semi-closed circuit, (including gas extenders) or closed circuit (including reclaim systems), based on whether any of the exhaled gas is recycled, and as self-contained or remotely supplied (usually surface-supplied, but also possibly from a lock-out submersible or an underwater habitat), depending on where the source of the ...

  5. Halcyon RB80 - Wikipedia

    en.wikipedia.org/wiki/Halcyon_RB80

    The Halcyon RB80 is a non-depth-compensated passive addition semi-closed circuit rebreather of similar external dimensions to a standard AL80 scuba cylinder (11-litre, 207-bar aluminium cylinder, 185 mm diameter and about 660 mm long). It was originally developed by Reinhard Buchaly (RB) in 1996 for the cave exploration dives conducted by the ...

  6. Rebreather diving - Wikipedia

    en.wikipedia.org/wiki/Rebreather_diving

    Typically an oxygen rebreather for attack swimmers, and a mixed gas rebreather for clearance diving work, and this simplifies the training and logistical requirements. [50] Rebreather diving for recreational purposes is generally classed as technical diving, and the training is provided by the technical diver certification agencies.

  7. images.huffingtonpost.com

    images.huffingtonpost.com/2012-08-30-3258_001.pdf

    Created Date: 8/30/2012 4:52:52 PM

  8. US asks court to reject TikTok's bid to stave off law that ...

    www.aol.com/news/us-asks-court-reject-delay...

    WASHINGTON (Reuters) -The Justice Department late on Wednesday asked a U.S. appeals court to reject an emergency bid by TikTok to temporarily block a law that would require its Chinese parent ...

  9. Oxygen breathing apparatus - Wikipedia

    en.wikipedia.org/wiki/Oxygen_Breathing_Apparatus

    The Oxygen breathing apparatus (OBA) is a closed circuit oxygen rebreather. used primarily in firefighting by the US Navy. Its oxygen is generated by chemicals contained in the green canister, which is inserted at the base of the breathing device.