Smokeless fuel spilling from its bag. This is coal which has been treated by low-temperature carbonisation. This process removes the parts of coal that create smoke | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Andrew Lambert Photography |
Taille de l’image : | 4946 px × 3588 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |