Three glass test tubes in stand,two containing oil and water,and one containing water,oil and detergent,to illustrate separation of oil and water | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Dorling Kindersley / UIG |
Taille de l’image : | 3653 px × 4784 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |