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|
ball float : 24 phrases in 13 subjects |
| Armored vehicles | 1 |
| Automated equipment | 1 |
| Automobiles | 1 |
| Geology | 1 |
| Hydrology | 3 |
| Oil / petroleum | 1 |
| Oil and gas technology | 3 |
| Oilfields | 1 |
| Rail transport | 1 |
| Shipbuilding | 1 |
| Technology | 8 |
| Tengiz | 1 |
| Thermal engineering | 1 |