 |
| |||
| left rope lay; left-hand rope lay | |||
| левая свивка каната: 8 phrases in 3 subjects |
| Drilling | 1 |
| Fish farming pisciculture | 1 |
| Oil / petroleum | 6 |
|
| |||
| left rope lay; left-hand rope lay | |||
| левая свивка каната: 8 phrases in 3 subjects |
| Drilling | 1 |
| Fish farming pisciculture | 1 |
| Oil / petroleum | 6 |