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| punkt połączenia (A handle on a shape to which you can glue the endpoints of a 1-D shape such as a connector shape) | |||
| connection point: 12 phrases in 9 subjects |
| Electronics | 1 |
| Information technology | 1 |
| Isolation | 1 |
| Microsoft | 2 |
| Power lines | 2 |
| Telecommunications | 2 |
| Telegraphy | 1 |
| Telephony | 1 |
| Wind Energy | 1 |