Each book in this series focuses on a type of simple mechanism and examines how it is used to make different toys work. This book examines ramps and wedges, and uses simple language and labelled photographs to explain the scientific principles behind their use.
Bahasa Inggris ● Format PDF ● ISBN 9781406249385 ● Penerbit Raintree UK ● Diterbitkan 2012 ● Diunduh 6 kali ● Mata uang EUR ● ID 5693946 ● Perlindungan salinan Adobe DRM
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