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2. Gas blending for scuba diving - Wikipedia

   en.wikipedia.org/wiki/Gas_blending_for_scuba_diving

   Internally, the blending equipment and diving cylinders must be oxygen clean; all fuels and particles which could be sources of ignition must be removed. [ 6 ] [ 7 ] [ 8 ] The materials chosen for use in the valves, joints and compressors must be oxygen compatible: they must not burn or degrade readily in high oxygen environments.

3. Portable oxygen concentrator - Wikipedia

   en.wikipedia.org/wiki/Portable_oxygen_concentrator

   Portable oxygen concentrator used with bottle humidifier. POCs operate on the same principle as a home concentrator, pressure swing adsorption. [6] The basic set up of a POC is a miniaturized air compressor, a cylinder filled containing the sieve, a pressure equalizing reservoir and valves and tubes.

4. Cascade filling system - Wikipedia

   en.wikipedia.org/wiki/Cascade_filling_system

   The storage cylinders may be used independently in sequence using a portable transfer whip with a pressure gauge and manual bleed valve, to transfill the receiving cylinder until the appropriate fill pressure has been reached, or the storage cylinders may be connected to a manifold system and a filling control panel with one or more filling whips.

5. Herc Rentals - Wikipedia

   en.wikipedia.org/wiki/Herc_Rentals

   Herc Rentals is an equipment rental company, owned by Herc Holdings. It was formerly a subsidiary of The Hertz Corporation before being spun-off as a separate company in 2016. The company provides rentals of heavy equipment , [ 3 ] tools, power generators and pumps, [ 4 ] as well as sales of used equipment.

6. Equipment rental - Wikipedia

   en.wikipedia.org/wiki/Equipment_rental

   Equipment rental was first developed in Anglo-Saxon countries. It emerged in the UK after the First World War and has now become a multi-billion euro business providing a wide range of construction and industrial equipment for customers globally.The American Rental Association was founded as early as 1955, [1] and the first waves of consolidation took place in the 1970s in North America ...

7. Americans drink more water than almost every other country ...

   www.aol.com/finance/americans-drink-more-water...

   Carries nutrients and oxygen to cells. Lessens the burden on the kidneys and liver by flushing out waste products. Protects body organs and tissues.