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See Gauge definition 1.

Galvanic Corrosion

Dissimilar metals in contact with each other in presence of moisture, acting as a battery and causing an electrolytic etching deteriorating effect.

Gang Die

Multiple dies mounted on a single tool, allowing for the simultaneous stamping of multiple parts.


See Nesting.

Gas Metal Arc Welding GMAW

See MIG Weld.

Gas Tungsten Arc Welding GTAW

See TIG Weld.

Gas Welding

Melting and fusing metals together by use of an oxygen and flammable gas mixture.


1 Instrument for measuring, testing, or registering. 2 Numeric scale for metal thickness.


See Master Carton.


Subjective term used to describe the relative amount and nature of mirror-like specular reflection.