 |
| insulation resistance: 12 phrases in 8 subjects |
| Coal | 1 |
| Electric motors | 1 |
| Electronics | 1 |
| Mechanic engineering | 1 |
| Medical appliances | 1 |
| Metallurgy | 2 |
| Technology | 4 |
| Transport | 1 |
|
| insulation resistance: 12 phrases in 8 subjects |
| Coal | 1 |
| Electric motors | 1 |
| Electronics | 1 |
| Mechanic engineering | 1 |
| Medical appliances | 1 |
| Metallurgy | 2 |
| Technology | 4 |
| Transport | 1 |