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boundary : 184 phrases in 16 subjects |
| Airports and air traffic control | 2 |
| Aviation | 12 |
| Chemistry | 44 |
| Chromatography | 1 |
| Computers | 1 |
| Construction | 7 |
| Hydrology | 2 |
| Law | 55 |
| Microsoft | 3 |
| Oil / petroleum | 36 |
| Optics branch of physics | 6 |
| Photography | 1 |
| Road works | 1 |
| Soil mechanics | 2 |
| Surveying | 2 |
| Technology | 9 |