| Share | Phrase |
|---|
| 23.23% | encourage mixing [perform operation] |
| 20.39% | encourage use [perform operation] |
| 14.70% | encourage vaporization [perform operation] |
| 14.39% | encourage formation [perform operation] |
| 11.95% | encourage flow [perform operation] |
| 11.30% | desirable to encourage |
| 3.99% | encourage modal will |