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2. 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. [1] " 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 ...

3. International System of Units - Wikipedia

   en.wikipedia.org/wiki/International_System_of_Units

   The seven base units and the 22 coherent derived units with special names and symbols may be used in combination to express other coherent derived units. Since the sizes of coherent units will be convenient for only some applications and not for others, the SI provides twenty-four prefixes which, when added to the name and symbol of a coherent ...

4. List of metric units - Wikipedia

   en.wikipedia.org/wiki/List_of_metric_units

   Metric units are units based on the metre, gram or second and decimal (power of ten) multiples or sub-multiples of these. According to Schadow and McDonald, [ 1 ] metric units, in general, are those units "defined 'in the spirit' of the metric system, that emerged in late 18th century France and was rapidly adopted by scientists and engineers.

5. Malayan tiger teeters on ‘brink of extinction’ as spate of ...

   www.aol.com/news/malayan-tiger-teeters-brink...

   Smaller than Indonesia’s Sumatran tigers and the Bengal tigers found across South Asia, Malayan tigers can grow to about 2.5 meters (about 8 feet) long and weigh up to 130 kilograms (about 280 ...

6. Unit of length - Wikipedia

   en.wikipedia.org/wiki/Unit_of_length

   A ruler, depicting two customary units of length, the centimeter and the inch. A unit of length refers to any arbitrarily chosen and accepted reference standard for measurement of length. The most common units in modern use are the metric units, used in every country globally. In the United States the U.S. customary units are also in use

7. Malayan tiger - Wikipedia

   en.wikipedia.org/wiki/Malayan_tiger

   The Malayan tiger is a tiger from a specific population of the ... (155 sq mi) in size had tigers. [19] In September 2014, two conservation organisations announced ...

8. Slug (unit) - Wikipedia

   en.wikipedia.org/wiki/Slug_(unit)

   The slug is a derived unit of mass in a weight-based system of measures, most notably within the British Imperial measurement system and the United States customary measures system. Systems of measure either define mass and derive a force unit or define a base force and derive a mass unit [ 1 ] (cf. poundal , a derived unit of force in a mass ...

9. Iron pipe size - Wikipedia

   en.wikipedia.org/wiki/Iron_pipe_size

   During the IPS period, pipes were cast in halves and welded together, and pipe sizes referred to the inside diameters. [1] The inside diameters under IPS were roughly the same as the more modern Ductile Iron Pipe Standard (DIPS) and Nominal Pipe Size (NPS) Standards, and some of the wall thicknesses were also retained with a different ...