Discussion :: Building Materials - Section 4 (Q.No.5)
| Aamir said: (Aug 21, 2016) | |
| What does mean dressing in here? | |
| Adolf said: (Nov 1, 2016) | |
| Dressing is the removal of earth impurities from ore after it digged ! | |
| Praveen Kr said: (Mar 12, 2021) | |
| What is smelting? | |
| Pari said: (Mar 18, 2021) | |
| Extraction of metal from its ore by a process involving heating and melting is smelting. | |
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