 |
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| push-push operation; push-push | |||
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push-push : 34 phrases in 11 subjects |
| Communications | 2 |
| Earth sciences | 1 |
| Electronics | 10 |
| Forestry | 1 |
| Immigration and citizenship | 1 |
| Information technology | 1 |
| Mechanic engineering | 2 |
| Microsoft | 12 |
| Natural sciences | 1 |
| Transport | 1 |
| Vacuum tubes | 2 |