| properly | 4 | manner |
| in order to reduce cross-contamination risks | 3 | purpose |
| annually | 2 | temporal |
| line → be → cleaned | 48 |
| line → need → cleaning | 7 |
| negative | neutral | positive |
| 0.226 | 0.629 | 0.145 |
| Raw frequency | 55 |
| Normalized frequency | 0.392 |
| Modifier score | 0.900 |
| Perplexity | 498.060 |