| Operator abbr. | |
| automat. | человек-оператор |
| avia. | оператор |
| brit. | знак операции |
| comp. | символ операции; оператор |
| el. | оператор |
| fish.farm. | оператор |
| IT | человек-оператор |
| math. | операция |
| med.appl. | манипулятор |
|
Dirac : 32 phrases in 8 subjects |
| Aerodynamics | 2 |
| Antennas and waveguides | 1 |
| Automated equipment | 3 |
| Electronics | 2 |
| High energy physics | 7 |
| Microelectronics | 13 |
| Nuclear and fusion power | 1 |
| Technology | 3 |