 |
| |||
| vacuum unit (пыли, грязной воды и т. п.) | |||
| установка для отсасывания: 7 phrases in 6 subjects |
| Ecology | 1 |
| Electronics | 1 |
| Firefighting and fire-control systems | 1 |
| Metallurgy | 2 |
| Oil and gas technology | 1 |
| Technology | 1 |
|
| |||
| vacuum unit (пыли, грязной воды и т. п.) | |||
| установка для отсасывания: 7 phrases in 6 subjects |
| Ecology | 1 |
| Electronics | 1 |
| Firefighting and fire-control systems | 1 |
| Metallurgy | 2 |
| Oil and gas technology | 1 |
| Technology | 1 |