Junior instructor pump operator
54:25
Junior instructor pump operator cum mechanic
1:29:13
Wood work technician
54:43
Pump operator - belt drives, classification of pumps ,couplings ,pyq
23:45
How it's made - 🗼!!
34:19
Junior instructor sheet metal worker
34:03
Junior instructor lift and escalator kerala psc
30:55
Junior instructor lift and escalator technician
1:14:27