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explosion : 183 phrases in 25 subjects |
| Agriculture | 1 |
| Automated equipment | 1 |
| Chemistry | 14 |
| Coal | 35 |
| Earth sciences | 13 |
| Electronics | 3 |
| Energy industry | 6 |
| Environment | 1 |
| Fish farming pisciculture | 1 |
| Forestry | 2 |
| General | 51 |
| Industry | 5 |
| Information technology | 2 |
| Life sciences | 3 |
| Materials science | 3 |
| Mechanic engineering | 16 |
| Medical | 8 |
| Metallurgy | 2 |
| Microsoft | 1 |
| Natural sciences | 1 |
| Nuclear physics | 1 |
| Packaging | 6 |
| Physical sciences | 1 |
| Social science | 1 |
| Transport | 5 |