Non-metallic elements that are lustreless and solid, they possess a certain amount of electric and thermal conductivity. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Science Source / QA International |
Taille de l’image : | 4000 px × 2250 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |