Oxygen Acetylene Welding (Easily Understand) हिन्दी
5:35
Electron Beam Welding (हिन्दी )
5:55
GAS WELDING | Oxy-acetylene welding
14:55
GAS WELDING | TYPES OF GAS WELDING | OXY ACETYLENE WELDING | GAS WELDING FLAMES AND TYPES
16:02
FLAMES OF GAS WELDING | NEUTRAL FLAME | OXIDISING FLAME | CARBURISING FLAME
5:51
Atomic Hydrogen Arc Welding (Understand Easily) हिन्दी
7:54
Plasma Arc Welding (हिन्दी )
6:50
Submerged Arc Welding (Understand Easily)हिन्दी
14:59