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step response : 18 phrases in 11 subjects |
| Automatic control | 1 |
| Automobiles | 1 |
| Bridge card game | 2 |
| Electric machinery | 1 |
| Electronics | 2 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Space | 1 |
| Technology | 5 |
| Telecommunications | 1 |
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