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  2. Supplemental air carrier - Wikipedia

    en.wikipedia.org/wiki/Supplemental_air_carrier

    While US regulations regarding economic aspects of airlines use the word "charter" (e.g. 14 CFR Part 380—Public Charters), "supplemental" is still present in regulations concerning operational matters (e.g. 14 CFR Part 121—Operating Requirements: Domestic, Flag, and Supplemental Operations).

  3. HEPA - Wikipedia

    en.wikipedia.org/wiki/HEPA

    For respirators, MSHA and NIOSH define HEPA as filters blocking ≥ 99.97% of 0.3 micron DOP particles, under 30 CFR 11 and 42 CFR 84. Since the transition to 42 CFR 84 in 1995, use of the term HEPA has been deprecated except for powered air-purifying respirators . [ 25 ]

  4. Modern great power - Wikipedia

    en.wikipedia.org/wiki/Modern_great_power

    This is an accepted version of this page This is the latest accepted revision, reviewed on 20 January 2025. List of great powers from the early modern period to the post-Cold War era Great powers are often recognized in an international structure such as the United Nations Security Council. A great power is a nation, state or empire that, through its economic, political and military strength ...

  5. Commercial driver's license - Wikipedia

    en.wikipedia.org/wiki/Commercial_driver's_license

    A commercial driver's license is required to operate a tractor-trailer for commercial use. A commercial driver's license (CDL) is a driver's license required in the United States to operate large and heavy vehicles (including trucks, buses, and trailers) or a vehicle of any size that transports hazardous materials or more than 15 passengers (including the driver).

  6. Selective Service System - Wikipedia

    en.wikipedia.org/wiki/Selective_Service_System

    World War I draft card. Lower left corner to be removed by men of African ancestry in order to keep the military segregated. Following the U.S. declaration of war against Germany on 6 April, the Selective Service Act of 1917 (40 Stat. 76) was passed by the 65th United States Congress on 18 May 1917, creating the Selective Service System. [10]

  7. Spanish language - Wikipedia

    en.wikipedia.org/wiki/Spanish_language

    This is an accepted version of this page This is the latest accepted revision, reviewed on 22 January 2025. Romance language "Castilian language" redirects here. For the specific variety of the language, see Castilian Spanish. For the broader branch of Ibero-Romance, see West Iberian languages. Spanish Castilian español castellano Pronunciation [espaˈɲol] ⓘ [kasteˈʝano ...

  8. Newt Gingrich - Wikipedia

    en.wikipedia.org/wiki/Newt_Gingrich

    The Republicans held out for an increase in Medicare Part B premiums in January 1996 to $53.50 a month. Clinton favored the then current law, which was to let the premium that seniors pay drop to $42.50. [99] The government closed most non-essential offices during the shutdown, which was the longest in U.S. history at the time.