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Exhaust System : 80 phrases in 13 subjects |
| Automobiles | 35 |
| Chemistry | 2 |
| Construction | 1 |
| Environment | 1 |
| General | 10 |
| Industry | 2 |
| Labor law | 1 |
| Mechanic engineering | 9 |
| Municipal planning | 2 |
| Natural resourses and wildlife conservation | 4 |
| Racing and motorsport | 3 |
| Technology | 3 |
| Transport | 7 |