| play major role | 0.25 |
| win the support of lang… | 0.25 |
| save fuel | 0.16 |
| set new standards | 0.16 |
| 40kg weight loss | 0.21 |
| improved | 0.59 |
| reduced | 0.52 |
| achieved | 0.50 |
| impaired | 0.30 |
| tested | 0.25 |
| subject to the fuselage | 0.25 |
| aided by exhaust heat r… | 0.24 |
| enhanced by extensive m… | 0.16 |