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| ställverksmanövrerad signal | |||
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interlocking : 64 phrases in 12 subjects |
| Communications | 4 |
| Construction | 1 |
| Earth sciences | 2 |
| Electric traction | 1 |
| Electronics | 3 |
| Industry | 12 |
| Information technology | 6 |
| Insurance | 1 |
| Labor law | 1 |
| Mechanic engineering | 1 |
| Rail transport | 11 |
| Transport | 21 |