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How Unions Work

YouthHumanIndustryWork...
Have you been hearing a lot about strikes this summer? Learn a little about unions and why they strike.
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How One Design Flaw Almost Toppled A Skyscraper

YouthCitiesConstructionTechnology...
Dig into the unique engineering of New York City’s Citicorp Center tower, and the design flaw that threatened to topple it.
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Assembly Line History

YouthHistoryTechnologyIndustry
The history of assembly lines.