character: Mrs. Anderson
topic: The Role of Alloys in Modern Technology
grade: 9
subject: Chemistry
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character: Mr. Smith
topic: Introduction to Material Science
grade: 9
subject: Chemistry
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character: Dr. Johnson
topic: Properties and Applications of Metals
grade: 9
subject: Chemistry
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character: Ms. Lee
topic: Innovation in Engineering Materials
grade: 9
subject: Chemistry
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