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|This is a main category or subcategory requiring frequent diffusion and maybe maintenance. As many pictures and media files as possible should be moved into the right subcategories. (more information on categories)|
This category has the following 24 subcategories, out of 24 total.
- ► Energy in heraldry (3 C, 1 F)
- ► Energy labels (2 C, 6 F)
- ► Energy maps (4 C, 1 F)
- ► Energy organizations (9 C, 14 F)
- ► Energy transfer (1 C, 22 F)
- ► Energy use (2 C, 3 F)
- ► Videos of energy (8 C, 5 F)
Pages in category "Energy"
This category contains only the following page.