| Answer | Crossword Clue |
|---|---|
| ASH | Furnace by-product. |
| SLAG | Blast furnace by-product |
| PIGIRON | Blast furnace product |
| PIGIRON | Blast-furnace product |
| PIGIRON | Blast furnace product. |
| PIGIRON | Product of a blast furnace |
| PIGIRON | Product of a blast furnace. |
| reguli | a. the metallic mass that forms beneath the slag at the bottom of the crucible or furnace in smelting ores b. impure intermediate product obtained in smelting ores |
| regulus | a. the metallic mass that forms beneath the slag at the bottom of the crucible or furnace in smelting ores b. impure intermediate product obtained in smelting ores |
