Steel contains oxygen and oxygen is flammable. We demonstrate this by lighting a piece of steel wool on fire. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Hutchings, Richard |
Bildgröße: | 5042 px × 3681 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |