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2. Thread seal tape - Wikipedia

   en.wikipedia.org/wiki/Thread_seal_tape

   Thread seal tape is wrapped around the threads, lubricating the connection and allowing the two pieces to be screwed deeper together. Thread seal tape (also known as PTFE tape, Teflon tape, or plumber's tape) is a polytetrafluoroethylene (PTFE) film tape commonly used in plumbing for sealing pipe threads. The tape is sold cut to specific widths ...

3. Polytetrafluoroethylene - Wikipedia

   en.wikipedia.org/wiki/Polytetrafluoroethylene

   The commonly known brand name of PTFE-based composition is Teflon by Chemours, [4] a spin-off from DuPont, which originally discovered the compound in 1938. [4] Polytetrafluoroethylene is a fluorocarbon solid , as it is a high- molecular-weight polymer consisting wholly of carbon and fluorine .

4. Tape measure - Wikipedia

   en.wikipedia.org/wiki/Tape_measure

   Tape measures are often designed for specific uses or trades. Tapes may have different scales, be made of different materials, and be of different lengths depending on the intended use. Tape measures used in tailoring are called "sewing tape". Originally made from flexible cloth or plastic, fiberglass is now the preferred material due to its ...

5. Tape - Wikipedia

   en.wikipedia.org/wiki/Tape

   Tape (surveying), used in surveying for measuring horizontal, vertical, or slope distances; Tape measure, or measuring tape, a flexible form of ruler; Thread seal tape, also known as plumber's tape or "Teflon tape", film for use in sealing pipe threads

6. Compression seal fitting - Wikipedia

   en.wikipedia.org/wiki/Compression_seal_fitting

   The continuous tension in the torqued body acts like a spring to maintain compression on the sealant and maintain a positive seal. Some soft sealants include Neoprene, Viton, Teflon tape), Lava sealant (magnesium aluminum silicate), and Grafoil (graphite foil). The appropriate sealant for a gland depends on the environment being sealed against.

7. List of measuring instruments - Wikipedia

   en.wikipedia.org/wiki/List_of_measuring_instruments

   A measuring instrument for lengths: a typical tape measure with both metric and imperial units and two US pennies for comparison A measuring instrument is a device to measure a physical quantity . In the physical sciences , quality assurance , and engineering , measurement is the activity of obtaining and comparing physical quantities of real ...