Chemistry student using a fume cupboard for an experiment. Postgraduate lab supervisor or demonstrator (in blue lab coat) overseeing the chemistry student and experiment. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / SCIENTIFIC PICTURE RESEARCH |
Bildgröße: | 5195 px × 3463 px |
Modell-Rechte: | vorhanden |
Eigentums-Rechte: | vorhanden |
Restrictions: | - |