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  2. I-beam - Wikipedia

    en.wikipedia.org/wiki/I-beam

    ISMB: Indian Standard Medium Weight Beam, ISJB: Indian Standard Junior Beams, ISLB: Indian Standard Light Weight Beams, and ISWB: Indian Standard Wide Flange Beams. Beams are designated as per respective abbreviated reference followed by the depth of section, such as for example ISMB 450 , where 450 is the depth of section in millimetres (mm).

  3. List of battery sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_battery_sizes

    A common size for cells inside cordless tool battery packs. This size is also used in radio-controlled scale vehicle battery packs and some Soviet multimeters. 1 ⁄ 2-, 4 ⁄ 5 - and 5 ⁄ 4-sub-C sizes (differing in length) are also available. Soviet 332 type can be replaced with R10 (#4, 927, BF, U8) or 1.5 V elements from 3 V 2xLR10 packs ...

  4. Hardness comparison - Wikipedia

    en.wikipedia.org/wiki/Hardness_comparison

    (120 degree cone 150 kg) Rockwell B HRB (1/16" ball 100 kg) Leeb HLD [1] 800-72 ... Rockwell to Brinell conversion chart (Brinell, Rockwell A,B,C) Struers hardness ...

  5. List of drill and tap sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_drill_and_tap_sizes

    Example (inch, coarse): For size 7 ⁄ 16 (this is the diameter of the intended screw in fraction form)-14 (this is the number of threads per inch; 14 is considered coarse), 0.437 in × 0.85 = 0.371 in. Therefore, a size 7 ⁄ 16 screw (7 ⁄ 16 ≈ 0.437) with 14 threads per inch (coarse) needs a tap drill with a diameter of about 0.371 inches.

  6. PBS TJ150 - Wikipedia

    en.wikipedia.org/wiki/PBS_TJ150

    The PBS TJ150 engine was developed from PBS TJ100 engine utilizing the same outer diameter dimensions and engine weight but has 20% more power. One of the PBS TJ150 engine versions enables landing on salt water.

  7. Lambretta GP/DL - Wikipedia

    en.wikipedia.org/wiki/Lambretta_GP/DL

    The Lambretta GP/DL range was the final range of classic Lambrettas to be produced before Innocenti was sold to British Leyland Motor Corporation in 1971. The range was called the DL in most countries, but was called the GP (standing for Grand Prix) in Britain and some other countries.

  8. 9 luxurious status symbols you might be tempted to buy in 2025

    www.aol.com/9-luxurious-status-symbols-might...

    Vintage watches and expensive alarm clocks were the epitome of luxury in 2024. This year, however, $600 calendars and stained-glass lamps have become the new status symbols.

  9. Drum (container) - Wikipedia

    en.wikipedia.org/wiki/Drum_(container)

    The exact capacity varies by manufacturer, purpose, or other factors. Standard drums have inside dimensions of 572 millimetres (22.5 in) diameter and 851 millimetres (33.5 in) height. These dimensions yield a volume of about 218.7 litres (57.8 US gal; 48.1 imp gal), but they are commonly filled to about 200 litres.