показатель прочности: 39 phrases in 15 subjects |
Coal | 2 |
Construction | 3 |
Leather | 1 |
Makarov | 2 |
Metallurgy | 4 |
Military | 2 |
Oil / petroleum | 3 |
Oil and gas | 1 |
Physics | 1 |
Polymers | 2 |
Production | 1 |
Pulp and paper industry | 3 |
Seismology | 1 |
Technology | 10 |
Textile industry | 3 |