 |
| |||
| листовой материал | |||
| board material: 20 phrases in 8 subjects |
| Astronautics | 1 |
| Labor organization | 5 |
| Metallurgy | 1 |
| Military | 9 |
| Polymers | 1 |
| Pulp and paper industry | 1 |
| Quality control and standards | 1 |
| Weapons of mass destruction | 1 |
|
| |||
| листовой материал | |||
| board material: 20 phrases in 8 subjects |
| Astronautics | 1 |
| Labor organization | 5 |
| Metallurgy | 1 |
| Military | 9 |
| Polymers | 1 |
| Pulp and paper industry | 1 |
| Quality control and standards | 1 |
| Weapons of mass destruction | 1 |