Description
Machines at Work
How do farmers take care of weeds? Read about combines, and how cotton is picked. How big is a tractor’s fuel tank? Find out when the seed drill was invented.
Machines At Work: Tractor
$6.99
Machines at Work
How do farmers take care of weeds? Read about combines, and how cotton is picked. How big is a tractor’s fuel tank? Find out when the seed drill was invented.
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