character: Jane Smith
topic: Corrosion Prevention in Construction
grade: 9
subject: Chemistry
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character: John Doe
topic: Chemical Reactions in Building Materials
grade: 9
subject: Chemistry
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character: Emily Johnson
topic: Rust Formation and Prevention Techniques
grade: 9
subject: Chemistry
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character: Michael Brown
topic: Protective Coatings in Civil Engineering
grade: 9
subject: Chemistry
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