 |
| |||
| Schwingsystem n | |||
| система колебаний: 12 phrases in 11 subjects |
| Automated equipment | 1 |
| Automobiles | 1 |
| Business | 1 |
| Construction | 1 |
| Electrical engineering | 1 |
| Energy industry | 1 |
| Engines | 1 |
| Nuclear and fusion power | 1 |
| Public utilities | 1 |
| Rail transport | 2 |
| Technology | 1 |