Catalog Search Results
1) Levers
Author
Description
"Through carefully leveled text and powerful images, explores levers, a useful simple machine"--
2) Screws
Author
Description
"Through carefully leveled text and powerful images, explores screws a useful simple machine"--
3) Pulleys
Author
Description
"Through carefully leveled text and powerful images, explores pulleys a useful simple machine"--
4) Ramps
Author
Description
"Through carefully leveled text and powerful images, explores ramps a useful simple machine"--
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