 |
| surface barrier: 56 phrases in 14 subjects |
| Analytical chemistry | 1 |
| Automated equipment | 2 |
| Electrical engineering | 1 |
| Electronics | 3 |
| Household appliances | 1 |
| Makarov | 5 |
| Metallurgy | 1 |
| Nanotechnology | 1 |
| Nuclear and fusion power | 2 |
| Nuclear physics | 3 |
| Physics | 2 |
| Solar power | 1 |
| Technology | 9 |
| Радиоактивное излучение | 24 |