 |
| friction loss: 45 phrases in 19 subjects |
| Armored vehicles | 2 |
| Automobiles | 3 |
| Cement | 1 |
| Combustion gas turbines | 1 |
| Construction | 7 |
| Electronics | 4 |
| Hydrology | 1 |
| Makarov | 1 |
| Mechanic engineering | 4 |
| Meteorology | 1 |
| Mining | 1 |
| Nautical | 1 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 1 |
| Oil and gas technology | 3 |
| Seismology | 2 |
| Technology | 3 |
| Thermal engineering | 2 |
| Transport | 6 |