| Share | Phrase |
| 10.86% | supplementary [importance] reservoir |
| 7.28% | supplementary [importance] body |
| 6.48% | supplementary [importance] advance |
| 5.83% | supplementary [importance] fuel |
| 5.32% | supplementary [importance] air |
| 4.74% | supplementary [importance] antioxidant |
| 4.62% | supplementary [importance] mass |
| 4.44% | supplementary [importance] piston |
| 4.36% | supplementary [importance] means |
| 4.36% | supplementary [importance] valve |
| 4.20% | supplementary [importance] module |
| 3.39% | supplementary [importance] injection |
| 3.29% | supplementary [importance] force |
| 2.52% | supplementary [importance] circuit |
| 2.30% | supplementary [importance] spring |
| 2.13% | supplementary [importance] kap |
| 1.94% | supplementary [importance] device |
| 1.93% | supplementary [importance] plate |
| 1.62% | supplementary [importance] mechanism |
| 1.30% | supplementary [importance] assembly |
| 1.26% | supplementary [importance] case |
| 1.17% | supplementary [importance] system |
| 1.10% | supplementary [importance] pressure |
| 0.94% | supplementary [importance] pump |
| 0.92% | supplementary [importance] supply |
| 0.85% | supplementary [importance] motor |
| 0.82% | supplementary [importance] line |
| 0.75% | supplementary [importance] enrichment |
| 0.72% | supplementary [importance] quantity |
| 0.72% | supplementary [importance] ium |
| 0.70% | supplementary [importance] energy |
| 0.69% | supplementary [importance] gear |
| 0.66% | supplementary [importance] power |
| 0.66% | supplementary [importance] source |
| 0.59% | supplementary [importance] signal |
| 0.58% | supplementary [importance] fluid |
| 0.58% | supplementary [importance] tank |
| 0.54% | supplementary [importance] conduit |
| 0.52% | supplementary [importance] current |
| 0.50% | supplementary [importance] transistor |
| 0.45% | supplementary [importance] information |
| 0.42% | supplementary [importance] function |
| 0.37% | supplementary [importance] chamber |
| 0.36% | supplementary [importance] control |