 |
| rotary switch: 14 phrases in 7 subjects |
| Automobiles | 1 |
| Earth sciences | 3 |
| Electronics | 3 |
| Information technology | 1 |
| Measuring instruments | 1 |
| Optics branch of physics | 1 |
| Technology | 4 |
|
| rotary switch: 14 phrases in 7 subjects |
| Automobiles | 1 |
| Earth sciences | 3 |
| Electronics | 3 |
| Information technology | 1 |
| Measuring instruments | 1 |
| Optics branch of physics | 1 |
| Technology | 4 |