character: Surveyor Sam
topic: The role of surveying in construction
grade: 4
subject: History
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character: Building Betty
topic: Tools used through history in construction
grade: 4
subject: History
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character: Measuring Mike
topic: How measurement techniques have evolved
grade: 4
subject: History
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character: Historical Harry
topic: Important historical landmarks and their construction methods
grade: 4
subject: History
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