 |
| plug-and-socket: 44 phrases in 13 subjects |
| Armored vehicles | 1 |
| Automated equipment | 5 |
| Aviation | 2 |
| British English spelling | 1 |
| Cables and cable production | 4 |
| Construction | 2 |
| Electrical engineering | 6 |
| Electronics | 6 |
| Labor organization | 1 |
| Oil / petroleum | 1 |
| Programming | 1 |
| Technology | 10 |
| Transport | 4 |