 |
| 灭火器: 228 phrases in 26 subjects |
| Agriculture | 2 |
| Architecture | 3 |
| Automobiles | 9 |
| Aviation | 3 |
| Bridge construction | 1 |
| Business | 1 |
| Chemistry | 5 |
| Drilling | 3 |
| Earth sciences | 1 |
| Ecology | 2 |
| Electric machinery | 3 |
| Electronics | 2 |
| General | 3 |
| Hydroelectric power stations | 7 |
| Nautical | 11 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 16 |
| Rail transport | 3 |
| Refrigeration | 1 |
| Shipbuilding | 8 |
| Skydiving | 1 |
| Space | 8 |
| Steel production | 1 |
| Technology | 130 |
| Telecommunications | 1 |
| Wind Energy | 2 |