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| hydraulical jack: 48 phrases in 10 subjects |
| Automobiles | 9 |
| Bridge construction | 3 |
| Computer numerical control | 1 |
| Electric machinery | 1 |
| Hydroelectric power stations | 3 |
| Metallurgy | 5 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |
| Technology | 23 |
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