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  2. File:Ethiopian cross (bold).svg - Wikipedia

    en.wikipedia.org/wiki/File:Ethiopian_cross_(bold...

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  3. Oxy-fuel welding and cutting - Wikipedia

    en.wikipedia.org/wiki/Oxy-fuel_welding_and_cutting

    An oxygen tank is especially dangerous because the gas is stored at a pressure of 21 MPa (3,000 psi; 210 atm)) when full. If the tank falls over and damages the valve, the tank can be jettisoned by the compressed oxygen escaping the cylinder at high speed. Tanks in this state are capable of breaking through a brick wall. [19]

  4. Oxygen concentrator - Wikipedia

    en.wikipedia.org/wiki/Oxygen_concentrator

    This is a big advantage in mobile emergencies. The option to fill standard oxygen cylinders (e.g., 50 L at 200 bar = 10,000 L each) with high-pressure boosters, to ensure automatic failover to previously filled reserve cylinders and to ensure the oxygen supply chain, e.g., in case of power failure, is given with those systems.

  5. File:San Andres Cylinder Seal print 1.svg - Wikipedia

    en.wikipedia.org/wiki/File:San_Andres_Cylinder...

    A drawing of a print made from the Olmec cylinder seal found at San Andres. The isolated pictographs that have been interpreted as "3 Ajaw" can be seen at Image:Proposed Olmec glyphs (San Andres).svg. Date: October 2007: Source: Own work: Author: Madman2001

  6. Template:Oxygen compounds - Wikipedia

    en.wikipedia.org/wiki/Template:Oxygen_compounds

    Template: Oxygen compounds. 14 languages. ... Print/export Download as PDF; Printable version; In other projects Wikidata item; Appearance. move to sidebar hide

  7. Oxygen tank - Wikipedia

    en.wikipedia.org/wiki/Oxygen_tank

    Medical use liquid oxygen airgas tanks are typically 2.4 MPa (350 psi). [citation needed] All equipment coming into contact with high pressure oxygen must be "oxygen clean" and "oxygen compatible", to reduce the risk of fire. [3] [4] "Oxygen clean" means the removal of any substance that could act as a source of ignition. "Oxygen compatible ...

  8. File:Greek cross (bold).svg - Wikipedia

    en.wikipedia.org/wiki/File:Greek_cross_(bold).svg

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  9. File:St George's Cross.svg - Wikipedia

    en.wikipedia.org/wiki/File:St_George's_Cross.svg

    The following other wikis use this file: Usage on arz.wikipedia.org مفتاح الحياه; الصليب; اللبرومه; قالب:صليب مسيحى