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Presentation: Electrical Energy
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Presentation: Using Electrical Energy, Part I—Portable Energy
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Presentation: Using Electrical Energy, Part II—Centralized Electricity Generation
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Presentation: Renewable and Non-Renewable Energy
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Presentation: Nuclear Power Presentation
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Presentation: Forces and Physical Properties Presentation
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Presentation: Uses of Physical Resources Presentation
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Presentation: Transportation Systems
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Presentation: Introduction to Communication