| 1 | The hearth is the lowermost cylindric part of the furnace. It is used to contain molten iron and slag. | |
| 2 | Taking a pile of slag and making it the center of the discussion of biblical history - forget it, no way, I reject this absolutely! | |
| 3 | Up until the point where they burnt us to cinders and brushed away what was left of the ashes. | |
| 4 | Yes! Gas washing requires considerable water. Besides, slag granulation and other purposes also need water . | |
| 5 | Dirty steel due to entrapment of slag or pieces of refractory. |
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