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by Javantea — Oct 2, 2012


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A flow of argon gas ( usually 14 to 18 liters per minute ) is introduced between the two outermost tubes of the torch and an electric spark is applied for a short time to introduce free electrons into the gas stream.

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A flow of argon gas ( usually 14 to 18 liters per minute ) is introduced between the two outermost tubes of the torch and an electrical spark is applied for a short time to introduce free electrons into the gas stream.

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Promote Demote Fragment Fix
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