In the 1800s, the moist soil of the Midwest would stick to plow blades, stopping the farmers as they plowed. Young blacksmith John Deere knew about the problem, so he designed and built a self-scouring plow. With this small start, he founded the famous farm implement company Deere & Company and started down the road to success.
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语言 英语 ● 格式 PDF ● ISBN 9780761382638 ● 出版者 Lerner Publishing Group ● 发布时间 2011 ● 下载 3 时 ● 货币 EUR ● ID 4769619 ● 复制保护 Adobe DRM
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