Chris Oxlade 
Making Machines with Screws [PDF ebook] 

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A hands-on approach introduces young scientists to screws. Science theory and practical, fun projects teach the physics and the technology behind this simple machine. Important science curriculum is explained through historical and contemporary examples of screws. Step-by-step projects range from the simple to the more challenging.

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语言 英语 ● 格式 PDF ● ISBN 9781406289435 ● 出版者 Raintree UK ● 发布时间 2015 ● 下载 3 时 ● 货币 EUR ● ID 4907075 ● 复制保护 Adobe DRM
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