 |
| |||
| gamma-ray examination; radio examination; radio graphic examination | |||
| контроль просвечиванием гамма -лучами: 4 phrases in 3 subjects |
| Drilling | 1 |
| Metallurgy | 1 |
| Pipelines | 2 |
|
| |||
| gamma-ray examination; radio examination; radio graphic examination | |||
| контроль просвечиванием гамма -лучами: 4 phrases in 3 subjects |
| Drilling | 1 |
| Metallurgy | 1 |
| Pipelines | 2 |