 |
|
disk-shaped : 21 phrases in 11 subjects |
| Antennas and waveguides | 3 |
| Food industry | 1 |
| Geology | 1 |
| Makarov | 2 |
| Medical appliances | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Optics branch of physics | 4 |
| Pipelines | 1 |
| Polymers | 1 |
| Technology | 4 |
|
|
disk-shaped : 21 phrases in 11 subjects |
| Antennas and waveguides | 3 |
| Food industry | 1 |
| Geology | 1 |
| Makarov | 2 |
| Medical appliances | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Optics branch of physics | 4 |
| Pipelines | 1 |
| Polymers | 1 |
| Technology | 4 |