 |
| man roentgen equivalent: 27 phrases in 15 subjects |
| Astronautics | 1 |
| Business style | 1 |
| Electronics | 3 |
| Energy industry | 2 |
| General | 1 |
| Makarov | 2 |
| Medical | 1 |
| Metrology | 1 |
| Military | 2 |
| Nautical | 1 |
| Nuclear physics | 3 |
| Oil and gas | 3 |
| Physics | 2 |
| Technology | 2 |
| Thermal engineering | 2 |