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| sistema de aproximación | |||
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approach system : 49 phrases in 12 subjects |
| Accounting | 1 |
| Aviation | 3 |
| Communications | 4 |
| Economics | 1 |
| General | 4 |
| Information technology | 2 |
| Lighting other than cinema | 1 |
| Meteorology | 2 |
| Name of organization | 2 |
| Politics | 2 |
| Technology | 8 |
| Transport | 19 |