| truly | 7 | degree |
| regularly | 6 | degree |
| in order to protect the fragile tape surface | 5 | purpose |
| enclosure → be → cleaned | 29 |
| enclosure → be → clean | 12 |
| enclosure → be kept → clean | 5 |
| negative | neutral | positive |
| 0.089 | 0.622 | 0.289 |
| Raw frequency | 46 |
| Normalized frequency | 0.656 |
| Modifier score | 0.833 |
| Perplexity | 187.452 |