 |
| |||
| bulb stopper | |||
| шаровая пробка: 8 phrases in 7 subjects |
| Construction | 1 |
| Mechanic engineering | 1 |
| Oil / petroleum | 2 |
| Oil and gas technology | 1 |
| Technology | 1 |
| Transport | 1 |
| Valves | 1 |
|
| |||
| bulb stopper | |||
| шаровая пробка: 8 phrases in 7 subjects |
| Construction | 1 |
| Mechanic engineering | 1 |
| Oil / petroleum | 2 |
| Oil and gas technology | 1 |
| Technology | 1 |
| Transport | 1 |
| Valves | 1 |