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padding : 97 phrases in 20 subjects |
| Airports and air traffic control | 3 |
| Automobiles | 1 |
| Aviation | 5 |
| Bridge construction | 1 |
| Chemistry | 2 |
| Construction | 2 |
| General | 18 |
| Information technology | 1 |
| Law | 5 |
| Mechanic engineering | 2 |
| Microsoft | 3 |
| Military | 1 |
| Oil / petroleum | 4 |
| Photography | 5 |
| Plumbing | 1 |
| Polygraphy | 26 |
| Road traffic | 2 |
| Slang | 2 |
| Technology | 11 |
| Telephony | 2 |