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  2. Gulfstream III - Wikipedia

    en.wikipedia.org/wiki/Gulfstream_III

    C-20C - United States Air Force C-20B with upgraded and "hardened" secure communications, often utilized as backup aircraft accompanying the VC-25A aircraft when it is operating as Air Force One [7] C-20D - United States Navy Operational Support Airlift (OSA) aircraft with modified communications equipment for use by the Navy, normally in ...

  3. Architecture of the oil tanker - Wikipedia

    en.wikipedia.org/wiki/Architecture_of_the_oil_tanker

    Oil tankers generally have from 8 to 12 tanks. [1] Each tank is split into two or three independent compartments by fore-and-aft bulkheads. [1] The tanks are numbered with tank one being the forwardmost. Individual compartments are referred to by the tank number and the athwartships position, such as "one port", "three starboard", or "six ...

  4. C-20 Gulfstream - Wikipedia

    en.wikipedia.org/wiki/C-20_Gulfstream

    The United States military has designated two aircraft versions as the C-20 Gulfstream: ... This page was last edited on 23 September 2022, at 16:07 (UTC).

  5. Portable oxygen concentrator - Wikipedia

    en.wikipedia.org/wiki/Portable_oxygen_concentrator

    Since their initial development, reliability has been improved, and POCs have between one and six settings which are not the same as liters per minute (LPM). [ 4 ] The latest models of intermittent flow only products have weighed in the range of from 2.8 to 9.9 pounds (1.3 to 4.5 kg), and continuous flow (CF) units have been between 10 and 20 ...

  6. Oxygen therapy - Wikipedia

    en.wikipedia.org/wiki/Oxygen_therapy

    A small portable M6 (B) cylinder holds 164 or 170 litres (5.8 or 6.0 cu ft) and weighs about 1.3 to 1.6 kilograms (2.9 to 3.5 lb). [62] These tanks can last 4–6 hours with a conserving regulator, [clarification needed] which adjust flow based on a person's breathing rate. Conserving regulators may not be effective for patients who breathe ...

  7. Aircraft maintenance checks - Wikipedia

    en.wikipedia.org/wiki/Aircraft_maintenance_checks

    The C check is performed approximately every 20 to 24 months, after a specific number of actual flight hours, or as defined by the manufacturer. This maintenance check is much more extensive than the B check, requiring a large majority of the aircraft's components to be inspected.

  8. M1 Abrams - Wikipedia

    en.wikipedia.org/wiki/M1_Abrams

    The limited capacity (two combat-ready tanks in a C-5, one combat-ready tank in a C-17) caused serious logistical problems when deploying the tanks for the first Gulf War, though there was enough time for 1,848 tanks to be transported by ship. The Marines transported their Marine Air-Ground Task Force Abrams tanks by combat ship.

  9. Panzer II - Wikipedia

    en.wikipedia.org/wiki/Panzer_II

    Only the turret was the same as the Ausf. C model, with a new hull and superstructure design and the use of a Maybach HL62TRM engine driving a seven-gear transmission (plus reverse). [16] The design was shorter (4.65 m) but wider (2.3 m) and taller (2.06 m) than the Ausf. C. Speed was increased to 55 km/h. [16] A total of 43 Ausf.