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How Crayons Are Made

Phoebe Marsh

出版	Modern Curriculum Press, 2003-05-30
主題	Juvenile Nonfiction / Readers / BeginnerJuvenile Nonfiction / Science & Nature / GeneralJuvenile Nonfiction / Technology / How Things Work-Are Made
ISBN	07652401499780765240149
URL	http://books.google.com.hk/books?id=8jbftgAACAAJ&hl=&source=gbs_api

註釋

An introduction to the process by which wax is transformed into crayons.