| to their livelihood | 8 | transitive-object |
| for engineers | 3 | other |
| machinery → be → essential | 9 |
| machinery → be → important | 3 |
| machinery → be → critical | 3 |
| machinery → be → vital | 3 |
| negative | neutral | positive |
| 0.069 | 0.666 | 0.265 |
| Raw frequency | 18 |
| Normalized frequency | 0.512 |
| Modifier score | 0.500 |
| Perplexity | 43.969 |