TABLE OF CONTENTS CHAPTER 1 From Temples to Snacks CHAPTER 2 Codes Cogs and Coils CHAPTER 3 Ways to Pay HOW IT WORKS Bill Validator CHAPTER 4 Making Better Machines Focus on Vending Machines Glossary To Learn More Index
Vending Machines
Introduces readers to the science that makes vending machines possible. Accessible text, helpful diagrams, and a “How Does It Work?” feature make this book an exciting introduction to understanding technology.
About This Book
By: Tracy Abell
Illustrated by:
Published by: Focus Readers an imprint of North Star Editions
