Nondestructive Inspection- Visual Inspection

[@ChinonyeIweh]

Well explained. Thank you, Prof.

[@akalaegbo4610]

Very clear and simple explanation. Thank you very much

[@syedallam1403]

Well explained. Thank you

[@kdwild]

Thanks for this. ❤

[@YoucaNShine]

thank you sir, nicely explained. i have one doubt sir, can you tell the three types of optical connections in borescope?

[@rolandberi5904]

Hi i would like to come over there and do my ndt course so i need your help