| to increased levels of heat | 9 | cause |
| hardly | 4 | degree |
| upon examination | 3 | temporal |
| metal → be → visible | 26 |
| metal → become → visible | 6 |
| metal → be → evident | 6 |
| metal → be → obvious | 3 |
| negative | neutral | positive |
| 0.153 | 0.672 | 0.175 |
| Raw frequency | 41 |
| Normalized frequency | 0.480 |
| Modifier score | 0.220 |
| Perplexity | 330.908 |