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| Vorgeschichte f; Vorhergang m (Bedrin); Entstehungsgeschichte f (Евгения Ефимова); Hintergrunddarstellung f (Лорина); Hintergründe m (Ремедиос_П) | |||
| Geschichte f | |||
| предыстория: 12 phrases in 8 subjects |
| Automated equipment | 1 |
| Cinema equipment | 2 |
| Computers | 2 |
| General | 1 |
| Geology | 2 |
| Nuclear and fusion power | 1 |
| Operation systems | 1 |
| Sound recording | 2 |