| Share | Phrase |
|---|
| 16.55% | unblock opening [perform operation] |
| 13.84% | unblock port [perform operation] |
| 10.55% | unblock orifice [perform operation] |
| 8.26% | unblock movement [perform operation] |
| 6.30% | unblock section [perform operation] |
| 5.48% | unblock passage [perform operation] |
| 5.34% | partially [degree] unblock |
| 5.29% | unblock path [perform operation] |
| 5.22% | unblock position [perform operation] |
| 4.83% | unblock line [perform operation] |
| 4.53% | means [does] unblock |
| 3.81% | member [does] unblock |
| 3.64% | unblock means [perform operation] |
| 3.39% | valve [does] unblock |
| 2.90% | least [degree] unblock |