character: Dr. Brown
topic: Applications of Transition Metals in Industry
grade: 9
subject: Chemistry
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character: Dr. Green
topic: Role of Transition Metals in Catalysis
grade: 9
subject: Chemistry
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character: Ms. Smith
topic: Transition Metals in Electronic Devices
grade: 9
subject: Chemistry
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character: Mr. Johnson
topic: Transition Metals in Construction Materials
grade: 9
subject: Chemistry
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