 |
| |||
| схема предупреждения отказов | |||
| prevention scheme: 5 phrases in 3 subjects |
| Electronics | 1 |
| General | 1 |
| Natural resourses and wildlife conservation | 3 |
|
| |||
| схема предупреждения отказов | |||
| prevention scheme: 5 phrases in 3 subjects |
| Electronics | 1 |
| General | 1 |
| Natural resourses and wildlife conservation | 3 |