glossary

glossary

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The smallest particle of an element that posses all of the characteristics of that element. It consists of protons, neutrons, and electrons.

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An arc welding process which produces coalescence of metals by heating them with an electric arc maintained between two metal electrodes in an atmosphere of hydrogen.

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A part of the welding system through which current is conducted that ends at the arc.

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A device used to transfer current to a continuously fed consumable electrode, guide the electrode, and direct the shielding gas.

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A device used to transfer current to a fixed welding electrode, position the electrode and direct the flow of shielding gas.