From its early beginnings with simple oil-and-chalk techniques to the advanced fluorescent penetrants used today, LPT has played a crucial role in ensuring the safety, reliability, and quality of critical components across industries.

In this video, we’ll trace how the method evolved, why it became so important, and how it continues to shape modern inspection practices. Perfect for students, professionals, and anyone interested in the roots of NDT. #LiquidPenetrantTesting #NDT #NondestructiveTesting #AerospaceIndustry #Engineering #QualityControl #HistoryOfNDT #MaterialsTesting #AerospaceEngineering #IndustrialSafety