Gear fitting kaise kare (गियर फिटिंग कैसे करें?) How to do gear fitting?

गियर फिटिंग कैसे करें?
How to do gear fitting?
Gear fitting kaise kare ।
Roughing mill ka pinion Gear Repair kaise kare।
/ @rollingmechanicaltrick
Rolling mill formula।
Mechanical Repair machine.

[@pkmechanics]

A1