| Answer | Crossword Clue |
|---|---|
| TESTHOLE | Part of a cementation furnace. |
| STOKER | Part of a furnace. |
| TYMP | Part of a blast furnace. |
| firepot | the part of a household furnace in which the fire is made |
| firepots | the part of a household furnace in which the fire is made |
| GRATE | Furnace part |
| DAMPER | Furnace part |
| IGNITOR | Furnace part |
| FIREPOT | Furnace part |
| HAPPYDAMPER | Contented furnace part? |
| TYMP | Blast-furnace part |
| DAMPER | Piano or furnace part. |
