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2. Polishing (metalworking) - Wikipedia

   en.wikipedia.org/wiki/Polishing_(metalworking)

   Polishing and buffing are finishing processes for smoothing a workpiece's surface using an abrasive and a work wheel or a leather strop. Technically, polishing refers to processes that uses an abrasive that is glued to the work wheel, while buffing uses a loose abrasive applied to the work wheel. Polishing is a more aggressive process, while ...

3. Thermal spraying - Wikipedia

   en.wikipedia.org/wiki/Thermal_spraying

   Thermal spraying. Thermal spraying techniques are coating processes in which melted (or heated) materials are sprayed onto a surface. The "feedstock" (coating precursor) is heated by electrical (plasma or arc) or chemical means (combustion flame). Thermal spraying can provide thick coatings (approx. thickness range is 20 microns to several mm ...

4. Persol - Wikipedia

   en.wikipedia.org/wiki/Persol

   Persol is an Italian luxury eyewear brand specializing in the manufacturing of sunglasses and optical frames. It is one of the oldest eyewear companies in the world and is owned by the Luxottica group. The name is derived from the Italian per il sole, meaning "for the sun". Formed in 1917 by Giuseppe Ratti, Persol originally catered to pilots ...

5. Quench polish quench - Wikipedia

   en.wikipedia.org/wiki/Quench_polish_quench

   Quench polish quench. Quench polish quench ( QPQ) is a specialized type of nitrocarburizing case hardening that increases corrosion resistance. It is sometimes known by the brand name of Tufftride, Tenifer or Melonite. [ 1] Three steps are involved: nitrocarburize ("quench"), polish, and post-oxidize ("quench"). [ 2]

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7. Cold spraying - Wikipedia

   en.wikipedia.org/wiki/Cold_spraying

   Cold spraying. Gas dynamic cold spraying or cold spraying ( CS) is a coating deposition method. Solid powders (1 to 50 micrometers in diameter) are accelerated in a supersonic gas jet to velocities up to ca. 1200 m/s. During impact with the substrate, particles undergo plastic deformation and adhere to the surface.

8. In the Year 2889 (short story) - Wikipedia

   en.wikipedia.org/wiki/In_the_Year_2889_(short_story)

   Illustration by G. Roux to Jules Verne story. In the Year 2889 ( La Journée d’un journaliste américain en 2889 in French) is an 1889 short story published under the name of Jules Verne, but now believed to be mainly the work of his son Michel Verne, based on his father's ideas. [ 1] The first publication was in English in February 1889, in ...

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