How to Plan Liquid Penetrant Examination for Machinery Base Plates
https://ultrasonic-tank-journal.lakeviewbrief.com/posts/focused-probe-selection-for-heavy-machine-parts-steps-for-a-sound-scan
How to Plan Liquid Penetrant Examination for Machinery Base Plates Machine bases use thick plates and support ribs to hold alignment. Penetrant testing can reveal open-to-surface flaws in suitable nonporous materials