Machines
Describes various types of machines, how they are used, and how they work. Includes fact boxes and suggested activities and projects.
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| Main Author: | |
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| Format: | Books Print Book |
| Language: | English |
| Published: |
Milwaukee, Wis :
Gareth Stevens Pub.,
1998.
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| Series: | Young scientist concepts and projects
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| Subjects: | |
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