double-pole single -throw : 29 phrases in 14 subjects |
Automated equipment | 2 |
Communications | 1 |
Electrical engineering | 1 |
Electronics | 3 |
Energy industry | 2 |
Information technology | 1 |
Makarov | 2 |
Military | 5 |
Programming | 3 |
Rail transport | 1 |
Sakhalin | 1 |
Technology | 5 |
Tengiz | 1 |
Vibration monitoring | 1 |