Front body of the welder

Eyes of the welder

Hands of the welder

Head of the welder

Electrical conductivity

Electric resistance

Density

Electric pressure

Spot welding

Projection welding

Percussion welding

Friction welding

Laser beam welding

Plasma arc welding

Electron beam welding

Friction stir welding

International standards organisation

International organisation for standardisation

Indian standard organisation

Indian organisation for standardization