Winding around : the screw (Robotx get help from simple machines)
by Bailey, Gerry, 1945- (Author)
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Summary
"Winding Around explores the benefits and uses of the screw. RobbO and RobbEE learn how to hold materials together using a screw, and how to use it to lift up loads and raise water."-- Provided by publisher. Full description
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Other Authors
Spoor, Mike (Illustrator)
Main Language
English
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English
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