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What Does a Screwdriver Do?
Author: Robin Nelson
Narrator: Lerner Publishing
Unabridged: 2 min
Format: Digital Audiobook Download
Publisher: Lerner
Published: 08/01/2014
Includes: Bonus Material
Synopsis
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.