| • catalyst iron | |
| उत्प्रेरक: activator catalyst accelerator catalysator | |
| लोहा: iron bit irons cold steel | |
उत्प्रेरक लोहा in English
[ utprerak loha ] sound:
| • catalyst iron | |
| उत्प्रेरक: activator catalyst accelerator catalysator | |
| लोहा: iron bit irons cold steel | |
