 |
| |||
| penetration bead (MichaelBurov) | |||
| root bead (Первый шов Leonid Dzhepko) | |||
| корневой валик: 8 phrases in 6 subjects |
| Construction | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 3 |
| Sakhalin | 1 |
| Technology | 1 |
|
| |||
| penetration bead (MichaelBurov) | |||
| root bead (Первый шов Leonid Dzhepko) | |||
| корневой валик: 8 phrases in 6 subjects |
| Construction | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 3 |
| Sakhalin | 1 |
| Technology | 1 |