Machinery & Tools
272 records found. Displaying 235 - 243.
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The Women Behind Rosie the Riveter: Working for the U.S. War Effort
Women and War -
Recycling
Our Renewable Earth -
Wheels and Axles
Simple Machines -
D is for Dump Truck: A Construction Alphabet
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Baler
21st Century Basic Skills Library: Welcome to the Farm -
Combine Harvester
21st Century Basic Skills Library: Welcome to the Farm -
Four-Track Tractor
21st Century Basic Skills Library: Welcome to the Farm -
Plow and Ripper
21st Century Basic Skills Library: Welcome to the Farm -
Cotton Picker
21st Century Basic Skills Library: Welcome to the Farm