| very | 7 | degree |
| prohibitively | 4 | degree |
| due to their incredibly hard material properties | 4 | cause |
| alloy → be → expensive | 19 |
| alloy → be → costly | 6 |
| alloy → be expensive to → manufacture | 3 |
| alloy → be expensive to → produce | 3 |
| negative | neutral | positive |
| 0.537 | 0.344 | 0.120 |
| Raw frequency | 31 |
| Normalized frequency | 0.607 |
| Modifier score | 0.550 |
| Perplexity | 162.618 |