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double paper double cotton : 28 phrases in 13 subjects |
| Advertising | 2 |
| Aviation | 3 |
| Business | 5 |
| Cartography | 1 |
| Chemistry | 2 |
| Electronics | 1 |
| Finances | 1 |
| General | 3 |
| Geophysics | 1 |
| Mathematics | 1 |
| Polygraphy | 1 |
| Technology | 6 |
| Textile industry | 1 |
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