 |
| |||
| horizontal ducting (feyana) | |||
| leader (отопительной системы) | |||
| horizontal pipeline | |||
| горизонтальный трубопровод: 19 phrases in 7 subjects |
| Architecture | 1 |
| Construction | 6 |
| Firefighting and fire-control systems | 6 |
| Mechanic engineering | 2 |
| Oil / petroleum | 1 |
| Oil and gas technology | 1 |
| Technology | 2 |