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classification codes : 18 phrases in 14 subjects |
| Advertising | 1 |
| Automobiles | 1 |
| Aviation | 3 |
| Business | 1 |
| Commerce | 1 |
| Economics | 1 |
| Electronics | 2 |
| Energy industry | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Information technology | 1 |
| Management | 1 |
| Microsoft | 1 |
| Securities | 1 |
| Technology | 2 |