testing machine : 47 phrases in 13 subjects |
Communications | 3 |
Construction | 2 |
Earth sciences | 1 |
General | 6 |
Industry | 3 |
Materials science | 3 |
Measuring instruments | 4 |
Mechanic engineering | 6 |
Mechanics | 3 |
Metallurgy | 10 |
Natural sciences | 1 |
Technology | 4 |
Transport | 1 |