 |
| |||
| push-pull; push-pull operation | |||
| |||
| push-pull | |||
|
push- pull : 16 phrases in 10 subjects |
| Automated equipment | 2 |
| Chemistry | 1 |
| Computers | 2 |
| Earth sciences | 1 |
| Electronics | 3 |
| Information technology | 2 |
| Mechanic engineering | 2 |
| Metallurgy | 1 |
| Natural sciences | 1 |
| Transport | 1 |