| for life | 15 | purpose |
| to building the technologies | 13 | purpose |
| very | 12 | degree |
| metal → be → essential | 76 |
| metal → be → important | 45 |
| metal → be → vital | 18 |
| metal → be → crucial | 9 |
| negative | neutral | positive |
| 0.147 | 0.524 | 0.329 |
| Raw frequency | 148 |
| Normalized frequency | 0.715 |
| Modifier score | 0.546 |
| Perplexity | 266.963 |