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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. Leeb rebound hardness test - Wikipedia

   en.wikipedia.org/wiki/Leeb_rebound_hardness_test

   A test takes a mere 2 seconds and, using the standard probe D, leaves an indentation of just ~0.5 mm in diameter on steel or steel casting with a Leeb hardness of 600 HLD. By comparison, a Brinell indentation on the same material is ~3 mm (hardness value ~400 HBW 10/3000), with a standard-compliant measuring time of ~15 seconds plus the time ...

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. 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 ...

6. 2-10-0 - Wikipedia

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

   Small firebox. Under the Whyte notation for the classification of steam locomotives, 2-10-0 represents the wheel arrangement of two leading wheels on one axle, ten powered and coupled driving wheels on five axles, and no trailing wheels. This arrangement was often named Decapod, especially in the United States, although this name was sometimes ...

7. 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.

8. Longevity: Heavy resistance training may have long-term ... - AOL

   www.aol.com/longevity-heavy-resistance-training...

   Exercise is an important lifestyle component at any age, particularly for older adults. A recent study found that heavy resistance training may better preserve leg muscle function in older adults ...

9. 2-10-4 - Wikipedia

   en.wikipedia.org/wiki/2-10-4

   The 2-10-4 Texas wheel arrangement originated and was principally used in the United States. The evolution of this locomotive type began as a 2-10-2 Santa Fe type with a larger four-wheeled trailing truck that would allow an enlarged firebox. A subsequent development was as an elongated 2-8-4 Berkshire type that required extra driving wheels to ...