| back to their traditional fields | 4 | transitive-object |
| permanently | 2 | manner |
| valve → be → attached | 15 |
| valve → be → applied | 12 |
| valve → be → subjected | 3 |
| negative | neutral | positive |
| 0.122 | 0.787 | 0.091 |
| Raw frequency | 30 |
| Normalized frequency | 0.346 |
| Modifier score | 0.967 |
| Perplexity | 486.931 |