character: Charles Goodyear
topic: Vulcanization Process
grade: 8
subject: Social Studies
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character: John Dunlop
topic: Invention of the Pneumatic Tire
grade: 8
subject: Social Studies
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character: Henry Ford
topic: Mass Production Techniques
grade: 8
subject: Social Studies
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character: Elijah McCoy
topic: Lubricating Systems for Trains
grade: 8
subject: Social Studies
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