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Sparks and Shields: The Ultimate Welding Quiz
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Why must oil, grease, or other hydrocarbons never be allowed to come into contact with high-pressure oxygen equipment?
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Hint
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50-50
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Audience
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A
They contaminate the weld pool and cause severe porosity
B
They dissolve the rubber seals inside the regulator
C
They can spontaneously ignite or explode in the presence of pure oxygen
D
They freeze and block the flow of gas
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