 |
| |||
| push-pull | |||
|
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 |