| typically | 5 | degree |
| preferably | 3 | degree |
| in other embodiments | 3 | other |
| contact → be made of → copper | 9 |
| contact → be formed of → copper | 7 |
| contact → include → copper | 6 |
| contact → be → copper | 4 |
| contact → be filled with → copper | 3 |
| contact → comprise → copper | 3 |
| negative | neutral | positive |
| 0.038 | 0.885 | 0.077 |
| Raw frequency | 32 |
| Normalized frequency | 0.423 |
| Modifier score | 0.880 |
| Perplexity | 78.309 |