Why is non-destructive testing necessary?

Answer Posted / vishalshah007

In destructive testing, the sample/specimen/work piece get
destroyed.

but If you think that.. u hvad make a final product
but before delivery.. u want to check the properties..
than what to do..??

bhn-rhn, charpy, izod-impact etc can not be done.. That will
damage our product

So, we use NDT

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