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moment of area : 74 phrases in 14 subjects |
| Architecture | 1 |
| Automobiles | 1 |
| Aviation | 3 |
| Bridge construction | 23 |
| General | 1 |
| Hydroelectric power stations | 4 |
| Nautical | 1 |
| Physics | 2 |
| Plastics | 1 |
| Rail transport | 1 |
| Space | 1 |
| Sports | 1 |
| Technology | 32 |
| Wind Energy | 2 |
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