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standard of time : 11 phrases in 10 subjects |
| Agriculture | 1 |
| Automobiles | 1 |
| Business | 2 |
| Commerce | 1 |
| General | 1 |
| Management | 1 |
| Physics | 1 |
| Planning | 1 |
| Rail transport | 1 |
| Technology | 1 |
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