| Share | Phrase |
|---|
| 19.79% | extensive [completeness] modification |
| 11.05% | extensive [completeness] labor |
| 10.99% | extensive [completeness] use |
| 7.86% | extensive [completeness] operation |
| 7.60% | extensive [completeness] machining |
| 6.59% | extensive [completeness] study |
| 5.62% | extensive [completeness] range |
| 5.52% | extensive [completeness] test |
| 5.52% | extensive [completeness] testing |
| 5.24% | extensive [completeness] area |
| 4.83% | extensive [completeness] research |
| 4.14% | extensive [completeness] damage |
| 4.14% | extensive [completeness] retooling |
| 1.03% | more [degree] extensive |