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testigo : 262 phrases in 18 subjects |
| Agriculture | 1 |
| Aviation | 4 |
| Chemistry | 1 |
| Commerce | 2 |
| Drilling | 1 |
| Electronics | 1 |
| General | 33 |
| Geology | 16 |
| Geophysics | 1 |
| Law | 126 |
| Microsoft | 6 |
| Mining | 2 |
| Nonstandard | 1 |
| Oil / petroleum | 25 |
| Patents | 19 |
| Religion | 1 |
| Technology | 18 |
| United Nations | 4 |