It is installed behind the removable seat in a plasma torch head to enable the safety interlock.

A hole-like discontinuity formed by gas entrapment during solidification.

The application of heat to an assembly after welding, brazing, soldering, thermal spraying, or cutting operation, for the purpose of tempering, stress-relieving, or annealing.

Any heat treatment subsequent to welding.

An apparatus for supplying current and voltage suitable for welding, cutting, etc.