Ramps and Wedges, Paperback/Sian Smith
Autor
Editura
An publicare
2012
Nr. Pagini
24
ISBN
9781432965884
Descriere
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 labeled photographs to explain the scientific principles behind their use.
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