 |
| physical Roentgen equivalent: 16 phrases in 9 subjects |
| Energy industry | 3 |
| Makarov | 3 |
| Medical | 2 |
| Metrology | 1 |
| Military | 2 |
| Nautical | 1 |
| Physics | 1 |
| Technology | 2 |
| Thermal engineering | 1 |
|
| physical Roentgen equivalent: 16 phrases in 9 subjects |
| Energy industry | 3 |
| Makarov | 3 |
| Medical | 2 |
| Metrology | 1 |
| Military | 2 |
| Nautical | 1 |
| Physics | 1 |
| Technology | 2 |
| Thermal engineering | 1 |