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point suspension : 36 phrases in 10 subjects |
| Architecture | 1 |
| Automobiles | 6 |
| Bridge construction | 1 |
| Construction | 1 |
| Drilling | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Mountaineering | 1 |
| Plastics | 1 |
| Technology | 22 |
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