character: Cathy the Civil Engineer
topic: Dams
grade: 9
subject: Physics
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character: Cathy the Civil Engineer
topic: Bridge Design
grade: 9
subject: Physics
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character: Cathy the Civil Engineer
topic: Sustainable Structures
grade: 9
subject: Physics
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character: Cathy the Civil Engineer
topic: Water Flow and Hydraulics
grade: 9
subject: Physics
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