Increase ductility

Increase malleability

Increase strength

Increase britlenesss

More initial cost

Freedom from arc blow

More maintenance cost

Un suitable for non ferrous metal

Suitable for all ferrous and non-ferrous

Initial cost is higher

Maintenance cost is more

Special safety precaution required

Rolling

Sliding

Dragging

Use a trolly

To increase softness

To withstand wear resistance

To withstand heavy load

To decrease the brittleness