balance weight: 33 phrases in 13 subjects |
Astronautics | 2 |
Automated equipment | 1 |
Aviation | 2 |
Chemistry | 1 |
Earth sciences | 1 |
Electric traction | 1 |
General | 3 |
Measuring instruments | 1 |
Mechanic engineering | 1 |
Medical appliances | 1 |
Physics | 1 |
Transport | 17 |
Weapons and gunsmithing | 1 |