| Share | Phrase |
|---|
| 12.58% | obstruct flow [perform operation] |
| 11.15% | obstruct communication [perform operation] |
| 5.93% | obstruct path [perform operation] |
| 5.40% | not obstruct |
| 4.02% | valve [does] obstruct |
| 3.55% | obstruct opening [perform operation] |
| 2.70% | obstruct passage [perform operation] |
| 2.53% | obstruct rotation [perform operation] |
| 2.38% | obstruct production [perform operation] |
| 2.37% | obstruct movement [perform operation] |
| 2.34% | position [does] obstruct |
| 2.26% | partially [degree] obstruct |
| 2.18% | obstruct line [perform operation] |
| 2.10% | baffle [does] obstruct |
| 2.06% | plate [does] obstruct |
| 1.99% | exist [temporal] obstruct |
| 1.96% | obstruct access [perform operation] |
| 1.93% | obstruct [temporal] activate |
| 1.89% | otherwise [manner] obstruct |
| 1.87% | obstruct port [perform operation] |
| 1.80% | insert [temporal] obstruct |
| 1.68% | distance [does] obstruct |
| 1.58% | position [attribute] obstruct |
| 1.49% | position in obstruct |
| 1.47% | electrode [does] obstruct |
| 1.42% | seat [does] obstruct |
| 1.32% | operative to obstruct |
| 1.27% | obstruct operation [perform operation] |
| 1.25% | member [does] obstruct |
| 1.16% | completely [degree] obstruct |
| 1.12% | sufficiently [degree] obstruct |
| 1.11% | possible to obstruct |
| 1.10% | obstruct modal will |
| 1.03% | obstruct air [perform operation] |
| 0.98% | means [does] obstruct |
| 0.96% | obstruct end [perform operation] |
| 0.90% | obstruct position [perform operation] |
| 0.90% | obstruct fuel [perform operation] |
| 0.90% | obstruct gas [perform operation] |
| 0.89% | selectively [manner] obstruct |
| 0.87% | substantially [degree] obstruct |
| 0.56% | time [temporal] obstruct |
| 0.43% | obstruct modal can |
| 0.42% | obstruct modal may |