| to transfer the image | 19 | purpose |
| to purify water | 8 | purpose |
| to separate pure solder | 6 | purpose |
| process → use → heat | 132 |
| process → utilize → heat | 13 |
| process → use → the heat | 7 |
| process → use → the application of heat | 4 |
| process → employ → heat | 3 |
| negative | neutral | positive |
| 0.123 | 0.734 | 0.143 |
| Raw frequency | 159 |
| Normalized frequency | 0.491 |
| Modifier score | 0.750 |
| Perplexity | 370.471 |