| circuit abbr. | |
| econ. stat. el. | circuito |
| el. | terno |
| IT | circuito de telecomunicação |
|
polyphase : 50 phrases in 7 subjects |
| Electric motors | 1 |
| Electric traction | 1 |
| Electricity generation | 1 |
| Electronics | 43 |
| General | 1 |
| Information technology | 1 |
| Mechanic engineering | 2 |