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Simple Machines: Wheels, Levers, and Pulleys by David A. Adler

Simple Machines: Wheels, Levers, and Pulleys

David A. Adler

32 pages • missing pub info (editions)

nonfiction childrens nature science technology informative medium-paced
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Simple Machines: Wheels, Levers, and Pulleys by David A. Adler
Simple Machines: Wheels, Levers, and Pulleys
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David A. Adler

Simple Machines: Wheels, Levers, and Pulleys

David A. Adler

32 pages • first pub 2015 (editions)

nonfiction childrens nature science technology informative medium-paced