| |||
отдельная песня; сингл |
单曲 : 72 phrases in 12 subjects |
Automated equipment | 1 |
Construction | 1 |
Electronics | 3 |
General | 30 |
Geology | 2 |
Mathematics | 7 |
Mechanic engineering | 1 |
Medical | 2 |
Oil processing plants | 1 |
Statistics | 1 |
Technology | 22 |
Wood processing | 1 |