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Magnets

Angela Royston

出版	Heinemann Library, 2002
主題	Juvenile Nonfiction / Science & Nature / Physics
ISBN	15881024329781588102430
URL	http://books.google.com.hk/books?id=AQwUAQAAMAAJ&hl=&source=gbs_api

註釋

This book discusses what magnets are, where you can find them, how people use them in everyday life, and even how to make one.