glossary

glossary

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Annealing operation used in connection with the change of white cast iron to a malleable cast iron.

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A metal bar serving as a core around which other metals are cast, forged, or extruded, forming a true, center hole.

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A multiple header for interconnection of gas or fluid sources with distribution points.

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Welding with a coated electrode where the operator?s hand controls travel speed and the rate the electrode is fed into the arc.

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A welding process where the torch or electrode holder is manipulated by hand. MIG. See Gas Metal Arc Welding (GMAW).