Dye Penetrant Testing - 1
34:14
Dye Penetrant Testing - 2
32:12
Visual optical method
24:39
Dye Penetration and Visual Inspection Techniques
23:14
Dye Penetrant Testing - 3
29:48
Dye Penetrant Testing - 4
2:02:22
Mozart - Música Clásica para Estimular el Cerebro
3:54
KD-CHECK: Dye Penetrant Testing on Welds
36:35