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2. Scratch hardness - Wikipedia

   en.wikipedia.org/wiki/Scratch_hardness

   Scratch hardness test or scratch test refers to any of a number of methods of measuring scratch hardness. Resistance to abrasion is less affected by surface variations than indentation methods. Scratch hardness is measured with a sclerometer. [1] Attempting to scratch a surface to test a material is a very old technique. [2]

3. Sclerometer - Wikipedia

   en.wikipedia.org/wiki/Sclerometer

   The Turner-Sclerometer test consists of measuring the amount of load required to make a scratch. [1] [2] In test a weighted diamond point is drawn, once forward and once backward, over the smooth surface of the material to be tested. The hardness number is the weight in grams required to produce a standard scratch.

4. Hardness - Wikipedia

   en.wikipedia.org/wiki/Hardness

   When testing coatings, scratch hardness refers to the force necessary to cut through the film to the substrate. The most common test is Mohs scale, which is used in mineralogy. One tool to make this measurement is the sclerometer. Another tool used to make these tests is the pocket hardness tester. This tool consists of a scale arm with ...

5. List of professional wrestling matches rated 5 or more stars ...

   en.wikipedia.org/wiki/List_of_professional...

   Receiving a 5 or higher star rating is considered by many to be a great achievement. [1] The first match rated more than five stars by Meltzer was Ric Flair vs. Ricky Steamboat in 1989. The highest-ever rating is seven stars, awarded to Kazuchika Okada vs. Kenny Omega at Dominion 6.9 in Osaka-jo Hall in June 2018.

6. Scream (franchise) - Wikipedia

   en.wikipedia.org/wiki/Scream_(franchise)

   Scream went on to rank No. 32 on Entertainment Weekly ' s list of the '50 Best High School Movies [201] and No. 13 on Bravo's "The 100 Scariest Movie Movements". [202] In 2008, Entertainment Weekly would add additional praise to the film, listing it as No. 60 on their list of the "100 Best Films of the Last 13 years". [203]

7. Anti-scratch coating - Wikipedia

   en.wikipedia.org/wiki/Anti-scratch_coating

   Anti-scratch coating is a type of protective coating or film applied to an object's surface for mitigation against scratches. Scratches are small surface-level cuts left on a surface following interaction with a sharper object. Anti-scratch coatings provide scratch resistances by containing tiny microscopic materials with scratch-resistant ...

8. Electrometer - Wikipedia

   en.wikipedia.org/wiki/Electrometer

   The gold-leaf electroscope was one of the instruments used to indicate electric charge. [1] It is still used for science demonstrations but has been superseded in most applications by electronic measuring instruments.

9. Eddy-current testing - Wikipedia

   en.wikipedia.org/wiki/Eddy-current_testing

   Variations in the electrical conductivity and magnetic permeability of the test object, and the presence of defects causes a change in eddy current and a corresponding change in phase and amplitude that can be detected by measuring the impedance changes in the coil, which is a telltale sign of the presence of defects. [5]