character: John Doe
topic: Combustion Engines: An Introduction to Their Functionality and Efficiency
grade: 12
subject: Chemistry
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character: Jane Smith
topic: The Chemistry of Fuels: Understanding Additives and Their Effects
grade: 12
subject: Chemistry
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character: Alice Johnson
topic: Optimizing Fuel Performance: The Role of Additives in Combustion Engines
grade: 12
subject: Chemistry
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character: Mike Brown
topic: Environmental Impact of Combustion Engines: The Importance of Fuel Additives
grade: 12
subject: Chemistry
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