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gravity acceleration : 25 phrases in 10 subjects |
| Automobiles | 1 |
| Aviation | 3 |
| Electronics | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 4 |
| Hydroelectric power stations | 1 |
| Nautical | 1 |
| Physics | 2 |
| Space | 5 |
| Technology | 5 |
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