| to the production of reactive power | 6 | purpose |
| in mud circulating | 6 | location |
| turbine → be → crucial | 4 |
| turbine → be → essential | 4 |
| negative | neutral | positive |
| 0.132 | 0.708 | 0.159 |
| Raw frequency | 8 |
| Normalized frequency | 0.209 |
| Modifier score | 0.500 |
| Perplexity | 127.094 |