spark test
verbEtymology From spark + test, due to the production of sparks in order to test for the character of a steel.
1
Arts, Crafts, Engineering, Hobbies, Lifestyle, Metallurgy, Metalworking, Natural sciences, Physical sciences To test for the general character of a steel, when testing a piece of steel, by grinding it, producing sparks, and using the color of the sparks to determine its general classification.
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- spark testing