Pull, lift, and lower : a book about pulleys
Describes many different kinds, uses, and benefits of pulleys. Provides examples of pulleys by showing a flagpole, a crane, an elevator and window blinds.
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Format: | EAUDIO |
Other Format: | EBOOK |
Language: | ENGLISH |
Published: |
Capstone Press
2013
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Series: | Amazing science (Picture Window Books (Firm)) |
Subjects: |