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Chapter topics:
- Advantages and Disadvantages of friction
- Discussing the advantages of friction
- Observing the disadvantages of friction in the community
A valid license for package „Opiq Private User Package”, „Opiq Pupil Package” or „Opiq Teacher Package” is required to use the kit. Click the link with the package name to learn more about the package and order a license.
If you have a valid license, log in to view the chapter.
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