Levers /
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Levers /

Introduces levers, including how they function and how they are used in everyday objects to make life easier.

Bibliographic Details
Main Author: Armentrout, David, 1962-
Corporate Author: PALCI EBSCO books
Other Authors: Armentrout, Patricia, 1960-
Format: Online Book
Published: Vero Beach, FL : Rourke Publishing, ©2010.
Series:Armentrout, David, 1962- Simple machines.
Access:Online version
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