 |
| float valve: 71 phrases in 25 subjects |
| Armored vehicles | 2 |
| Automated equipment | 1 |
| Automobiles | 6 |
| Aviation | 2 |
| Caspian | 1 |
| Construction | 3 |
| Drilling | 3 |
| Electronics | 1 |
| Firefighting and fire-control systems | 1 |
| Makarov | 1 |
| Mechanic engineering | 1 |
| Melioration | 1 |
| Mining | 1 |
| Nautical | 1 |
| Oil / petroleum | 8 |
| Oil and gas | 9 |
| Oil and gas technology | 3 |
| Oilfields | 4 |
| Production | 1 |
| Refrigeration | 3 |
| Sakhalin | 1 |
| Shipbuilding | 1 |
| Technology | 11 |
| Thermal engineering | 4 |
| Transport | 1 |