testing machine : 40 phrases in 13 subjects |
Communications | 1 |
Earth sciences | 1 |
General | 3 |
Industry | 3 |
Law | 1 |
Materials science | 4 |
Measuring instruments | 2 |
Mechanic engineering | 2 |
Mechanics | 3 |
Metallurgy | 15 |
Natural sciences | 1 |
Technology | 3 |
Transport | 1 |