 |
| bearing cone: 50 phrases in 20 subjects |
| Agriculture | 1 |
| Armored vehicles | 7 |
| Automated equipment | 1 |
| Automobiles | 2 |
| Biology | 1 |
| Botany | 2 |
| Drilling | 2 |
| Forestry | 1 |
| General | 1 |
| Mechanic engineering | 1 |
| Military | 1 |
| Mining | 1 |
| Oil / petroleum | 4 |
| Oil and gas | 1 |
| Pulp and paper industry | 2 |
| Rail transport | 1 |
| Technology | 14 |
| Thermal engineering | 4 |
| Torpedoes | 1 |
| Transport | 2 |