Matches in Library of Congress for { ?s ?p Introduces the principles of levers as simple machines, using examples from everyday life.. }
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- 2007281008 abstract "Introduces the principles of levers as simple machines, using examples from everyday life.".
- 96015816 abstract "Introduces the principles of levers as simple machines, using examples from everyday life.".
- 2007281008 description "Introduces the principles of levers as simple machines, using examples from everyday life.".
- 96015816 description "Introduces the principles of levers as simple machines, using examples from everyday life.".