 |
| |||
| individual respirator; individual breathing mask | |||
| дыхательный изолирующий аппарат: 10 phrases in 3 subjects |
| Public utilities | 6 |
| Scuba diving | 1 |
| Weapons of mass destruction | 3 |
|
| |||
| individual respirator; individual breathing mask | |||
| дыхательный изолирующий аппарат: 10 phrases in 3 subjects |
| Public utilities | 6 |
| Scuba diving | 1 |
| Weapons of mass destruction | 3 |