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Cardboard Creature Challenge!

Floods, Dams, and Levees

Built To Last

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All About Artificial Intelligence

Engineering Wonders Submarines and Submersibles

Engineering Wonders Submarines and Submersibles

Infrastructure of America's Airports

Infrastructure of America's Inland Waterways

Milton Hershey: Hershey's Chocolate Creator: Hershey's Chocolate Creator

Ben & Jerry: Ice Cream Manufacturers: Ice Cream Manufacturers

William Wrigley Jr.: Wrigley's Chewing Gum Founder: Wrigley's Chewing Gum Founder

Ray Kroc: McDonald's Restaurants Builder: McDonald's Restaurants Builder

Clarence Birdseye: Frozen Food Innovator: Frozen Food Innovator

Robert Cade: Gatorade Inventor: Gatorade Inventor

Kellogg Family: Breakfast Cereal Pioneers: Breakfast Cereal Pioneers