character: Engineer Mike Rogers
topic: Advantages of Noble Gases in Welding
grade: 12
subject: Chemistry
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character: Chemistry Expert
topic: Noble Gases: Properties and Applications in Industry
grade: 12
subject: Chemistry
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character: Welder Jane Smith
topic: Using Argon and Helium in TIG Welding
grade: 12
subject: Chemistry
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character: Professor Linda Chang
topic: The Role of Inert Gases in Metal Fabrication
grade: 12
subject: Chemistry
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