DP TEST (Dye penetrant testing) ll कैसे किया जाता है l

DP TEST ( Dye penetrant testing) ll कैसे किया जाता है ll

[@mr.canoneditz2759]

Ok sir

[@Rajbeststudyandknowledge]

....👍

[@user-ze6uf2mc4v]

Mst hai bhai...👌

[@Rajbeststudyandknowledge]

Thank you dear....👍

[@user-ze6uf2mc4v]

Mst video bhai.....👌

[@Rajbeststudyandknowledge]

Thank you