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Sparks and Shields: The Ultimate Welding Quiz
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Why must welding on galvanized steel be conducted with dedicated exhaust ventilation or respirator protection?
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Hint
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⚖️
50-50
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Audience
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A
The zinc coating vaporizes into highly toxic fumes that cause metal fume fever
B
The zinc coating will ignite and cause an uncontrollable chemical fire
C
The zinc creates a magnetic field that disrupts the welding machine's high-frequency arc
D
The zinc immediately dissolves the tungsten electrode upon contact
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