We use machines every day. This series explores the six types of simple machines that people have used throughout history. Stunning photos, clear text, and simple activities bring the topic to life. Simple machines called pulleys make our work easier. Find out about the different parts of a pulley and how we use pulleys in our everyday life.
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Biçim PDF ● Sayfalar 24 ● ISBN 9781781214169 ● Yayımcı Brown Bear Books ● Yayınlanan 2016 ● İndirilebilir 3 kez ● Döviz EUR ● Kimlik 5992251 ● Kopya koruma Adobe DRM
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