| preferably | 16 | degree |
| typically | 14 | degree |
| in a preferred embodiment | 5 | other |
| electrode → be made of → tungsten | 22 |
| electrode → comprise → tungsten | 16 |
| electrode → be → tungsten | 14 |
| electrode → be formed of → tungsten | 7 |
| electrode → be comprised of → tungsten | 6 |
| negative | neutral | positive |
| 0.049 | 0.862 | 0.089 |
| Raw frequency | 65 |
| Normalized frequency | 0.604 |
| Modifier score | 0.858 |
| Perplexity | 40.065 |