| due to prolonged use | 3 | cause |
| usually | 2 | degree |
| corrosion → can → cause | 13 |
| corrosion → be → caused | 5 |
| corrosion → could → cause | 3 |
| negative | neutral | positive |
| 0.832 | 0.162 | 0.006 |
| Raw frequency | 21 |
| Normalized frequency | 0.600 |
| Modifier score | 0.800 |
| Perplexity | 117.956 |