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  2. Savinelli Pipes - Wikipedia

    en.wikipedia.org/wiki/Savinelli_Pipes

    Savinelli Pipes is an Italian smoking pipe maker headquartered in Milan and founded in 1876. [ 1 ] [ 2 ] The company makes machine and carved pipes, and is recognized for its craftsmanship. [ 3 ]

  3. Copper tubing - Wikipedia

    en.wikipedia.org/wiki/Copper_tubing

    In the North American plumbing industry, the size of copper tubing is designated by its nominal diameter, which is 1 ⁄ 8 th inch less than the outside diameter. The inside diameter varies according to the thickness of the pipe wall, which differs according to pipe size, material, and grade: the inside diameter is equal to the outside diameter ...

  4. List of PowerEdge servers - Wikipedia

    en.wikipedia.org/wiki/List_of_PowerEdge_servers

    Below is an overview of current and former servers within Dell's PowerEdge product line. Different models are or were available as towers, 19-inch racks or blades. In the current naming scheme, towers are designated by T, racks by R, and blades by M (for modular). [1] The 19″ rack-servers come in different physical heights expressed in rack ...

  5. British thermal unit - Wikipedia

    en.wikipedia.org/wiki/British_thermal_unit

    Btu per hour (Btu/h) is sometimes used in North America and the United Kingdom - the latter for air conditioning mainly, though "Btu/h" is sometimes abbreviated to just "Btu". [18] MBH—thousands of Btu per hour—is also common. [19] 1 W is approximately 3.412142 Btu/h [20] 1,000 Btu/h is approximately 0.2931 kW; 1 hp is approximately 2,544 Btu/h

  6. 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 ...

  7. Airbus A321 - Wikipedia

    en.wikipedia.org/wiki/Airbus_A321

    The A321 entered service in January 1994 with Lufthansa; seen here is an A321-100.. The Airbus A321 was the first derivative of the A320, also known as the Stretched A320, A320-500 and A325.

  8. Hardness comparison - Wikipedia

    en.wikipedia.org/wiki/Hardness_comparison

    ISO 18265: "Metallic materials — Conversion of hardness values" (2013) ASTM E140-12B(2019)e1: "Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness" (2019)

  9. List of Airbus A320neo family orders and deliveries - Wikipedia

    en.wikipedia.org/wiki/List_of_Airbus_A320neo...

    The following table shows total firm orders of A320neo family aircraft by customer and variant as of December 2021. [1] In the engine columns, the boxes filled in with a * signify that the airline has ordered all their A320neo jets with that particular engine.