 |
| dual firing: 11 phrases in 7 subjects |
| Drilling | 1 |
| Electrical engineering | 1 |
| Electronics | 1 |
| Energy industry | 1 |
| Military | 5 |
| Weapons and gunsmithing | 1 |
| Weapons of mass destruction | 1 |
|
| dual firing: 11 phrases in 7 subjects |
| Drilling | 1 |
| Electrical engineering | 1 |
| Electronics | 1 |
| Energy industry | 1 |
| Military | 5 |
| Weapons and gunsmithing | 1 |
| Weapons of mass destruction | 1 |