modern-day field relies heavily on a chance to detect flaws and defects in products with out producing harm to the thing getting inspected. This is when non-damaging tests (NDT) methods like Magnetic Flux Leakage (MFL) https://safiyadtgf323807.thezenweb.com/magnetic-flux-leakage-screening-defined-a-key-instrument-in-non-destructive-tests-73576092