| extremely | 5 | degree |
| chemically | 3 | manner |
| at temperatures in the marine environment | 3 | location |
| pvc → be → stable | 9 |
| pvc → be → reliable | 3 |
| pvc → be → stable material | 3 |
| negative | neutral | positive |
| 0.021 | 0.352 | 0.627 |
| Raw frequency | 15 |
| Normalized frequency | 0.483 |
| Modifier score | 0.800 |
| Perplexity | 230.899 |