Steelworks: electric arc method of crude steel production. Electro-slag refining furnace producing superalloy materials | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Schneebeli, Heini |
Taille de l’image : | 3780 px × 4722 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |