Smoke-free coal burning on a home fire. This is coal which has been treated by low-temperature carbonisation,removing the parts of coal that create smoke. This makes it suitable for use on household fires. This coal has been shaped in the traditional oval form. Photographed in the UK | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Gowland, Ian |
Bildgröße: | 3651 px × 4869 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |