 |
| |||
| 行程 | |||
| distance of travel: 5 phrases in 4 subjects |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 1 |
| Rail transport | 2 |
| Technology | 1 |
|
| |||
| 行程 | |||
| distance of travel: 5 phrases in 4 subjects |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 1 |
| Rail transport | 2 |
| Technology | 1 |