 |
| time graph: 43 phrases in 16 subjects |
| Accounting | 1 |
| Automobiles | 1 |
| Drilling | 1 |
| Electronics | 1 |
| Geophysics | 8 |
| Information technology | 2 |
| Makarov | 1 |
| Military | 1 |
| Mining | 1 |
| Nautical | 1 |
| Oil and gas | 2 |
| Programming | 7 |
| Quality control and standards | 1 |
| Rail transport | 1 |
| Road works | 1 |
| Seismology | 13 |