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2. National pipe thread - Wikipedia

   en.wikipedia.org/wiki/National_pipe_thread

   These threads are now used in materials other than steel and brass, including PTFE, PVC, nylon, bronze, and cast iron. The taper on NPT threads allows them to form a seal when torqued as the flanks of the threads compress against each other, as opposed to parallel/straight thread fittings or compression fittings in which the threads merely hold ...

3. British Standard Pipe - Wikipedia

   en.wikipedia.org/wiki/British_Standard_Pipe

   British Standard Pipe (BSP) is a set of technical standards for screw threads that has been adopted internationally for interconnecting and sealing pipes and fittings by mating an external thread with an internal (female) thread.

4. Piping and plumbing fitting - Wikipedia

   en.wikipedia.org/wiki/Piping_and_plumbing_fitting

   Press fittings with appropriate and region-specific certification may be used for gas lines. Stainless steel and carbon steel press fittings can withstand up to 16 bars of pressure. A disadvantage of press fittings is the dead space between the pipe and the fitting, which can possibly rule out use for beverage and food applications.

5. List of abbreviations in oil and gas exploration and production

   en.wikipedia.org/wiki/List_of_abbreviations_in...

   AISC – American Institute of Steel Construction; AISI – American Iron and Steel Institute; AIT – analyzer indicator transmitter; AIT – array induction tool; AL – appraisal license (United Kingdom), a type of onshore licence issued before 1996; ALAP – as low as possible (used along with density of mud) ALARP – as low as reasonably ...

6. Bell System Practices - Wikipedia

   en.wikipedia.org/wiki/Bell_System_Practices

   A typical volume of Bell System Practices from the 1970s. The Bell System Practices (BSPs) is a compilation of technical publications which describes the best methods of engineering, constructing, installing, and maintaining the telephone plant of the Bell System under direction of AT&T and Bell Telephone Laboratories. [1]

7. British Standard Brass - Wikipedia

   en.wikipedia.org/wiki/British_Standard_Brass

   British Standard Brass or British Brass Thread is an imperial unit based screw thread.It adopts the Whitworth thread form with a pitch of 26 threads per inch and a thread angle of 55 degrees for all diameters. [1]

8. Garbage disposal unit - Wikipedia

   en.wikipedia.org/wiki/Garbage_disposal_unit

   In the United States, 50% of homes had disposal units as of 2009, [12] compared with only 6% in the United Kingdom [13] and 3% in Canada. [14]In Britain, Worcestershire County Council and Herefordshire Council started to subsidize the purchase of garbage disposal units in 2005, in order to reduce the amount of waste going to landfill and the carbon footprint of garbage runs. [15]

9. BSPP (drug) - Wikipedia

   en.wikipedia.org/wiki/BSPP_(drug)

   BSPP is a compound used in scientific research which acts as a positive allosteric modulator at the GABA B receptor. [1] It has a synergistic effect with GABA B agonists such as baclofen at GABA B autoreceptors but not heteroreceptors, suggesting it may be useful for distinguishing between these GABA B receptor subtypes.