| very | 9 | degree |
| to the aerospace industry | 7 | transitive-object |
| as its uses | 6 | other |
| aluminum → be → critical | 9 |
| aluminum → be → important | 9 |
| aluminum → be → vital | 6 |
| aluminum → be → crucial element | 4 |
| negative | neutral | positive |
| 0.050 | 0.526 | 0.424 |
| Raw frequency | 28 |
| Normalized frequency | 0.503 |
| Modifier score | 0.500 |
| Perplexity | 143.830 |