| Share | Phrase |
|---|
| 17.64% | distil residuum [perform operation] |
| 12.36% | rotory residuum |
| 10.61% | residuum astm |
| 8.58% | resulting [effectiveness] residuum |
| 8.30% | distill residuum [perform operation] |
| 8.04% | fractionate residuum [perform operation] |
| 7.21% | residuum like step |
| 5.85% | evaporation residuum |
| 5.82% | tower residuum |
| 4.96% | residuum from oil |
| 4.22% | atmospheric [natural phenomenon] residuum |
| 3.67% | cool residuum [perform operation] |
| 2.68% | residuum parameter |