The top documents of govinda-kumar

Welding


10 views

Lecture26


681 views

Lect02


181 views

Welding defects


4.604 views

welding+4


67 views

welding+3


97 views

welding+1


72 views

welding+2


79 views

casting class


106 views

forging1


90 views

extrusion


136 views