| Share | Phrase |
|---|
| 31.58% | upstream [location] end |
| 28.66% | upstream [location] sensor |
| 3.42% | upstream [location] catalyst |
| 3.21% | upstream [location] valve |
| 2.74% | upstream [location] change |
| 2.56% | upstream [location] signal |
| 2.51% | upstream [location] pipe |
| 2.44% | upstream [location] section |
| 2.33% | upstream [location] member |
| 2.12% | upstream [location] entrance |
| 1.85% | upstream [location] count |
| 1.82% | upstream [location] portion |
| 1.64% | upstream [location] means |
| 1.63% | upstream [location] pressure |
| 1.50% | upstream [location] seat |
| 1.46% | upstream [location] wall |
| 1.39% | upstream [location] ratio |
| 1.21% | upstream [location] aperture |
| 1.18% | upstream [location] channel |
| 1.05% | upstream [location] face |
| 1.04% | upstream [location] collar |
| 0.93% | upstream [location] chamber |
| 0.84% | upstream [location] port |
| 0.76% | upstream [location] passage |