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 |