Signalling System
No 7
| signalling system | |
| commun. | seinstelsel |
| earth.sc. el. | elektrische sturing |
| el. | signaleringsysteem; signaleersysteem |
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| seinstelsel n | |||
| elektrische sturing | |||
| signaleringsysteem n; signaleersysteem | |||
| signaleringssysteem n; seinsysteem; signaleringsprotocol | |||
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Signalling System : 20 phrases in 5 subjects |
| Communications | 11 |
| Electronics | 3 |
| General | 2 |
| Information technology | 2 |
| Mechanic engineering | 2 |