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  2. Brinell scale - Wikipedia

    en.wikipedia.org/wiki/Brinell_scale

    The "10" is the ball diameter in millimeters. The "3000" is the force in kilograms force. The hardness may also be shown as XXX HB YYD 2. The XXX is the force to apply (in kgf) on a material of type YY (5 for aluminum alloys, 10 for copper alloys, 30 for steels). Thus a typical steel hardness could be written: 250 HB 30D 2. It could be a ...

  3. 2-10-2 - Wikipedia

    en.wikipedia.org/wiki/2-10-2

    2-10-2. Under the Whyte notation for the classification of steam locomotives, 2-10-2 represents the wheel arrangement of two leading wheels, ten powered and coupled driving wheels, and two trailing wheels. In the United States and elsewhere the 2-10-2 is known as the Santa Fe type, after the Atchison, Topeka and Santa Fe Railway that first used ...

  4. 2-10-10-2 - Wikipedia

    en.wikipedia.org/wiki/2-10-10-2

    ATSF 3000 class 2-10-10-2. The forward section of the boiler is a primitive superheater and feedwater heater. In 1911 and 1912, the Atchison, Topeka and Santa Fe Railway modified ten 2-10-2 Baldwin -built locomotives into a new 2-10-10-2 configuration dubbed the 3000 class. They were the largest locomotives in the world from their introduction ...

  5. USRA Light Santa Fe - Wikipedia

    en.wikipedia.org/wiki/USRA_Light_Santa_Fe

    The USRA Light Santa Fe was a USRA standard class of steam locomotive designed under the control of the United States Railroad Administration, the nationalized railroad system in the United States during World War I. These locomotives were of 2-10-2 wheel arrangement in the Whyte notation, or 1′E1′ in UIC classification; this arrangement ...

  6. DRB Class 50 - Wikipedia

    en.wikipedia.org/wiki/DRB_Class_50

    Water cap. The DRB Class 50 [1] is a German class of 2-10-0 locomotive, built from 1939 as a standard locomotive ( Einheitsdampflokomotive) for hauling goods trains. It had one leading axle and five coupled axles and was one of the most successful designs produced for the Deutsche Reichsbahn . This class was procured in Germany as part of the ...

  7. Home warranty - Wikipedia

    en.wikipedia.org/wiki/Home_warranty

    Home warranty is one of several terms for a contract between homeowners and companies that cover some of the costs associated with specific repairs and replacements of household objects. Related industries often use such terms as residential service contract and appliance warranty plan. Just as is the case with home warranty in states such as ...

  8. HBW and BirdLife International Illustrated Checklist of the ...

    en.wikipedia.org/wiki/HBW_and_BirdLife...

    The HBW and BirdLife International Illustrated Checklist of the Birds of the World is a checklist of the birds of the world published by Lynx Edicions in association with BirdLife International in two volumes in 2014 and 2016.

  9. 2-10-0 - Wikipedia

    en.wikipedia.org/wiki/2-10-0

    The 2-10-0 arrangement was a very popular one in Germany. The first were built by the individual state railways from 1915 to 1918, and these later became the DRG BR58. The DRG then produced a number of standard classes of 2-10-0s: the heavy 3-cylinder BR44 (1753 built), the two-cylinder version BR43 (35 built), and the lightweight BR50 (3164