 |
| 梯子: 150 phrases in 24 subjects |
| Agriculture | 4 |
| Air defense | 1 |
| Architecture | 5 |
| Artificial intelligence | 2 |
| Automobiles | 8 |
| Biotechnology | 1 |
| Chemistry | 1 |
| Drilling | 8 |
| Earth sciences | 1 |
| Electronics | 6 |
| Explosives and Explosive Ordnance Disposal | 2 |
| General | 9 |
| Genetics | 1 |
| Metallurgy | 1 |
| Navigation | 1 |
| Oil / petroleum | 6 |
| Pharmacology | 3 |
| Polymers | 2 |
| Rail transport | 1 |
| Refrigeration | 1 |
| Shipbuilding | 21 |
| Space | 1 |
| Technology | 62 |
| Textile industry | 2 |