 |
| explosifs: 218 phrases in 24 subjects |
| Agriculture | 3 |
| Chemistry | 33 |
| Coal | 58 |
| Criminal law | 3 |
| Earth sciences | 6 |
| Electronics | 8 |
| Environment | 3 |
| Finances | 1 |
| General | 63 |
| Immigration and citizenship | 1 |
| Industry | 2 |
| Law | 7 |
| Life sciences | 3 |
| Materials science | 1 |
| Mathematics | 1 |
| Mechanic engineering | 3 |
| Medical | 5 |
| Metallurgy | 2 |
| Microsoft | 2 |
| Natural sciences | 1 |
| Nuclear and fusion power | 3 |
| Patents | 1 |
| Technology | 1 |
| Transport | 7 |