Printed Book

How Does it Happen

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In this book you'll learn about what makes machines work. The pulley depends on human energy, or movement, to work. Computer needs energy from electric power to work. Energy can also come from the wind, sun, burning fuel such as wood or petrol, or from m

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Availability

Detail Information

Series Title

World Book's Childcraft

Call Number

500 HOW

Publisher

: Gramedia., 2000

Collation

192p., co., il., glo

Language

English

ISBN/ISSN

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Classification

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Content Type

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Media Type

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Carrier Type

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Edition

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Subject(s)

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Specific Detail Info

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Statement of Responsibility

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Other version/related

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