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  2. 1951 USAF resolution test chart - Wikipedia

    en.wikipedia.org/.../1951_USAF_resolution_test_chart

    [citation needed] This element's label is noted by the observer (each group, and each element within a group, is labeled with a single digit). This pair of digits indicates a given element's row and column location in the series table, which in turn defines the spatial frequency of each element, and thus the available resolution of the system.

  3. European Federation of Financial Analysts Societies - Wikipedia

    en.wikipedia.org/wiki/European_Federation_of...

    The Certified European Financial Analyst Diploma (CEFA) was set up in 1991. Since its introduction, the CEFA diploma has become one of the most respected and recognized professional credentials in the world, known as the “gold standard” among financial industry professionals in Europe.

  4. Chart of accounts - Wikipedia

    en.wikipedia.org/wiki/Chart_of_accounts

    A chart of accounts compatible with IFRS and US GAAP includes balance sheet (assets, liabilities and equity) and the profit and loss (revenue, expenses, gains and losses) classifications. If used by a consolidated or combined entity, it also includes separate classifications for intercompany transactions and balances.

  5. Airport/Facility Directory - Wikipedia

    en.wikipedia.org/wiki/Airport/Facility_Directory

    It can be found on the Memphis VFR Sectional chart, and the low-level en route chart 14F. It has at least one Instrument Approach Procedure, which is described elsewhere. The airport's elevation (at the ARP) is 249 feet (76 m), it has a rotating beacon at night ("B"), and both 100- octane avgas ("100LL") and jet fuel are available although ...

  6. Compact fluorescent lamp - Wikipedia

    en.wikipedia.org/wiki/Compact_fluorescent_lamp

    Current recommendations for fully enclosed, unventilated light fixtures (such as those recessed into insulated ceilings), are either to use "reflector CFLs" (R-CFL), [22] [23] cold-cathode CFLs or to replace such fixtures with those designed for CFLs. [22] A CFL will thrive in areas that have good airflow, such as in a table lamp. [24]

  7. Fixture (tool) - Wikipedia

    en.wikipedia.org/wiki/Fixture_(tool)

    A common type of fixture, used in materials tensile testing (Grip-Engineering). A fixture is a work-holding or support device used in the manufacturing industry. [1] [2] Fixtures are used to securely locate (position in a specific location or orientation) and support the work, ensuring that all parts produced using the fixture will maintain conformity and interchangeability.

  8. EFA (mobile bridge) - Wikipedia

    en.wikipedia.org/wiki/EFA_(mobile_bridge)

    The EFA or Engin de Franchissement de l'Avant (forward crossing apparatus) is a field-deployable river crossing vehicle, used by combat engineers in the French Army.Unlike a bridge layer, which transports a bridge that is deployed off of the host vehicle, the EFA itself is a combined pontoon bridge and amphibious vehicle, enabling much more rapid redeployment of the mobile bridge structure and ...

  9. Bed of nails tester - Wikipedia

    en.wikipedia.org/wiki/Bed_of_nails_tester

    Spring loaded pins are a component of the bed of nails tester. A bed of nails tester is a traditional electronic test fixture used for in-circuit testing.It has pins inserted into holes in an epoxy phenolic glass cloth laminated sheet (G-10) which are aligned using tooling pins to make contact with test points on a printed circuit board and are also connected to a measuring unit by wires.