normally open: 58 phrases in 19 subjects |
Automated equipment | 3 |
Aviation | 1 |
Chemistry | 1 |
Construction | 1 |
Electrical engineering | 12 |
Electronics | 7 |
Energy industry | 1 |
Machinery and mechanisms | 2 |
Makarov | 2 |
Mathematics | 1 |
Mechanics | 1 |
Military | 4 |
Oil and gas technology | 1 |
Programming | 4 |
Rail transport | 2 |
Security systems | 1 |
Technology | 9 |
Telecommunications | 3 |
Weapons of mass destruction | 2 |