Use a Pulley

Use a Pulley PDF Author: Mi-Ae Lee
Publisher: Science Storybooks
ISBN: 1925248968
Category : Juvenile Fiction
Languages : en
Pages : 0

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Book Description
"Do you know how to make lifting work easier? Use a pulley! Grandfather gave some jobs to a lazy boy. The clever boy came up with ideas to make the jobs easier. Let's find out how the boy used pulleys"--Page 4 of cover.