#ndt A fingerprint’s beauty is found in its uniqueness. In each arch, loop and whorl of the print, lie the identifying characteristics that set one person apart from another. Machines also bear similar telltale marks of individuality. So do the bolts, flanges, nuts and studs holding those machines together. But short of cracking open its exterior, how can one visually inspect the condition of a machine’s interior components?

One way is through nondestructive testing (NDT) to ensure all components of
Source: NDT