 |
| |||
| paragon | |||
| 大钻石: 18 phrases in 6 subjects |
| Drilling | 4 |
| Earth sciences | 3 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 4 |
| Jewelry | 1 |
| Technology | 5 |
|
| |||
| paragon | |||
| 大钻石: 18 phrases in 6 subjects |
| Drilling | 4 |
| Earth sciences | 3 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 4 |
| Jewelry | 1 |
| Technology | 5 |