Fossil fuel. View of some bricks of anthracite coal being burnt. Anthracite is the highest metamorphic rank of coal,having a fixed carbon content of 92-98%. It is hard and lustrous,and burns with a short blue flame and no noticeable smoke | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Ellis, Ray |
Bildgröße: | 4465 px × 2943 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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