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on the surface : 206 phrases in 35 subjects |
| Architecture | 1 |
| Astronautics | 2 |
| Astronomy | 4 |
| Automated equipment | 2 |
| Automobiles | 2 |
| Aviation | 1 |
| Cardiology | 1 |
| Construction | 16 |
| Dentistry | 5 |
| Electronics | 1 |
| Firefighting and fire-control systems | 2 |
| Foundry | 1 |
| General | 19 |
| Geology | 2 |
| Geophysics | 1 |
| Gold mining | 4 |
| Informal | 9 |
| Makarov | 95 |
| Mathematics | 6 |
| Meat processing | 1 |
| Mechanics | 5 |
| Medical | 2 |
| Metallurgy | 3 |
| Mining | 1 |
| Navy | 2 |
| Non-destructive testing | 5 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 1 |
| Packaging | 1 |
| Politics | 3 |
| Sailing | 1 |
| Scuba diving | 1 |
| Swimming | 2 |
| Technology | 1 |
| Transport | 2 |