| 1 | The erupting Brimstone Pit in the North Pacific. | |
| 2 | Brimstone is a component part of explosive. | |
| 3 | Sulphur is released when we burn coal and oil. | |
| 4 | One night, the sulfur in the storage caused the fire. | |
| 5 | The current occurrence of torrent spurs him to buy fur and sulfur. |
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