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| push-pull | |||
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push- pull : 28 phrases in 11 subjects |
| Agriculture | 1 |
| Communications | 5 |
| Electric traction | 2 |
| Electrical engineering | 1 |
| Electronics | 9 |
| Immigration and citizenship | 1 |
| Information technology | 2 |
| Life sciences | 1 |
| Mechanic engineering | 3 |
| Metallurgy | 1 |
| Transport | 2 |