Acids and alkalis. The top shelf contains three alkalis,while the bottom contains three acids. All these chemicals are dangerous,and their bottles display warning labels | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Andrew Lambert Photography |
Bildgröße: | 3784 px × 5144 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |