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Question	Answer
Electrode	The part of a consumable set that emits electrons in a steady stream to form the plasma arc.
Dross	Re‐solidified molten metal and oxides adhering to the top or bottom edge of the workpiece during thermal cutting.
Hafnium	The metal used commonly as an electron emitter for air or oxygen plasma gases.
Hole Pierce	A method of starting a cut in which the arc plunges into and through the workpiece before cutting begins.
Kerf	The void left by the linear removal of material by any kind of cutting process; example: the width of the saw blade when cutting wood.
Nozzle	A consumable torch part containing a hole, or orifice, through which the arc passes.
Torch	The part of the plasma system that is used to perform the actual cutting.

Hypertherm Glossary

	Created by Anna Tivol over 8 years ago