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| 监示器: 40 phrases in 14 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Automobiles | 2 |
| Aviation | 8 |
| Drilling | 1 |
| Earth sciences | 1 |
| Electric machinery | 1 |
| Electronics | 12 |
| Geophysics | 2 |
| Information technology | 1 |
| Space | 4 |
| Technology | 4 |
| Telecommunications | 1 |
| United States | 1 |
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