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• 14:37, 5 December 2025 Oluschinski talk contribs created page Sound Test (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Klangprüfung}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Sound test</span> __FORCETOC__ ==Sound as a sign of quality – Subjective sound testing== One of the oldest non-destructive testing methods is sound testing. This involves striking the workpiece (usually metal) with a hammer. The sound produced in the audible frequency range then provides information about whether a workpiec...")