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  2. French catheter scale - Wikipedia

    en.wikipedia.org/wiki/French_catheter_scale

    The French size is a measure of the outer diameter of a catheter (not internal drainage channel, or inner diameter). So, for example, if a two-way catheter of 20 Fr is compared to a 20 Fr three-way catheter, they both have the same external diameter but the two-way catheter will have a larger drainage channel than the three-way.

  3. 7.62×45mm - Wikipedia

    en.wikipedia.org/wiki/7.62×45mm

    Test barrel length: 520 mm (20.472 in) The 7.62×45mm (designated as the 7,62 × 45 by the C.I.P.) [2] is a rimless bottlenecked intermediate rifle cartridge developed in Czechoslovakia. It is fired by the Czech Vz. 52 rifle, Vz. 52 light machine gun, and ZB-53 machine gun. The cartridge was later dropped from use when the Czech converted to ...

  4. Comparison of the imperial and US customary measurement ...

    en.wikipedia.org/wiki/Comparison_of_the_imperial...

    The table of imperial avoirdupois mass is the same as the United States table up to one pound, but above that point, the tables differ. The imperial system has a hundredweight, defined as eight stone of 14 lb each, or 112 lb (50.802 345 44 kg), whereas a US hundredweight is 100 lb (45.359 237 kg). In both systems, 20 hundredweights make a ton.

  5. Nominal Pipe Size - Wikipedia

    en.wikipedia.org/wiki/Nominal_Pipe_Size

    Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside diameter).

  6. Imperial units - Wikipedia

    en.wikipedia.org/wiki/Imperial_units

    The former Weights and Measures office in Seven Sisters, London (590 Seven Sisters Road). The imperial system of units, imperial system or imperial units (also known as British Imperial or Exchequer Standards of 1826) is the system of units first defined in the British Weights and Measures Act 1824 and continued to be developed through a series of Weights and Measures Acts and amendments.

  7. Truck classification - Wikipedia

    en.wikipedia.org/wiki/Truck_classification

    The now-imprecise ton rating has continued since the post World War II era to compare standard sizes, rather than actual capacities. [24] [25] In 1975, a change in U.S. emission laws required any vehicle under 6000 pounds GVWR to burn unleaded fuel. U.S. pickup truck manufacturers responded with a "heavy half" pickup of over 6000 pounds GVWR. [22]

  8. U.S. standard clothing size - Wikipedia

    en.wikipedia.org/wiki/U.S._standard_clothing_size

    The most common size category. For women of about average height (5 ft 4 in) with an average bust height and an hourglass figure. Dress sizes may be given as girth at the bust in inches (e.g., 36), but even-numbered sizes from 2 to 16 are more common. Categorical sizes range from XS (extra-small) to XL (extra-large).

  9. List of U.S. states and territories by area - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._states_and...

    The area of Alaska is 18% of the area of the United States and equivalent to 21% of the area of the contiguous United States. The second largest state, Texas, has only 40% of the total area of the largest state, Alaska. Rhode Island is the smallest state by total area and land area. San Bernardino County is the largest county in the contiguous ...