| Share | Phrase |
|---|
| 20.32% | extended [time duration] lifetime |
| 20.04% | long [size] lifetime |
| 16.22% | operating [functioning] lifetime |
| 11.12% | increase lifetime [perform operation] |
| 11.00% | extend lifetime [perform operation] |
| 9.47% | catalyst lifetime |
| 5.04% | have lifetime [perform operation] |
| 3.78% | engine lifetime |
| 2.98% | provide lifetime [perform operation] |