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  2. Gas blending for scuba diving - Wikipedia

    en.wikipedia.org/wiki/Gas_blending_for_scuba_diving

    The system maximises the use of low-pressure bank gas and minimises the use of high-pressure bank gas. Small portable high pressure breathing gas booster pump Booster pumps , such as the Haskel pump, can be used to scavenge the remnants of expensive gases in nearly empty cylinders allowing low-pressure gases to be pumped safely into cylinders ...

  3. craigslist - Wikipedia

    en.wikipedia.org/wiki/Craigslist

    Craigslist headquarters in the Inner Sunset District of San Francisco prior to 2010. The site serves more than 20 billion [17] page views per month, putting it in 72nd place overall among websites worldwide and 11th place overall among websites in the United States (per Alexa.com on June 28, 2016), with more than 49.4 million unique monthly visitors in the United States alone (per Compete.com ...

  4. 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.

  5. Self-contained breathing apparatus - Wikipedia

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

    The closed circuit system developed by him would not only be used by many fire departments, but also was one of the first working SCUBA systems. [ inconsistent ] [ 6 ] Other devices included the Gibbs which was approved for use in 1920 and was developed by MSA [ 7 ] and the Proto , which was developed by a German named Siebe Gorman .

  6. Cascade refrigeration - Wikipedia

    en.wikipedia.org/wiki/Cascade_refrigeration

    A cascade refrigeration cycle is a multi-stage thermodynamic cycle. An example two-stage process is shown at right. (Bottom on mobile) The cascade cycle is often employed for devices such as ULT freezers. [1] In a cascade refrigeration system, two or more vapor-compression cycles with different refrigerants are used.

  7. List of corporations based in Mississauga - Wikipedia

    en.wikipedia.org/wiki/List_of_corporations_based...

    This is a list of large and international corporations with Canadian headquarters in Mississauga, Ontario, Canada. Companies founded or based in Mississauga are also included. Companies founded or based in Mississauga are also included.

  8. 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]

  9. Trapeze Software - Wikipedia

    en.wikipedia.org/wiki/Trapeze_Software

    2008: acquired Solutions by Computer which provides business management software to the equipment, tool, and event rental industry [11] In 2008, Southern Computer Systems a privately held company providing fleet management software to Local Authorities, bus companies and coach operators throughout the UK [ citation needed ]

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