Curious readers will discover how screwdrivers tighten screws using different kinds of tips. A back matter spread explains how screws are simple machines used to fasten objects together.
Bahasa Inggris ● Format PDF ● ISBN 9781467700733 ● Penerbit Lerner Publishing Group ● Diterbitkan 2012 ● Diunduh 3 kali ● Mata uang EUR ● ID 4755675 ● Perlindungan salinan Adobe DRM
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