character: Mr. David Lee
topic: Mechanical Properties of Materials
grade: 12
subject: Physics
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character: Ms. Sarah Johnson
topic: Stress and Strain in Materials
grade: 12
subject: Physics
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character: Mr. Tom Nguyen
topic: Elasticity and Plasticity in Physics
grade: 12
subject: Physics
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character: Dr. Emily Wang
topic: Thermal Properties of Materials
grade: 12
subject: Physics
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