How It Works: Pulleys & Gears (How It Works)
Released: Nov 01, 2000
Publisher: Heinemann Library Hardbacks
Format: Hardcover, 32 pages
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Description:
An exploration of pulleys and gears and how they work. It is part of a series which examines everyday and high-tech uses of technology in machines with which children will be familiar. It features a mixture of practical and mental activities to reinforce learning.
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