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| polygonal | |||
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polygonal : 60 phrases in 12 subjects |
| Construction | 23 |
| Earth sciences | 2 |
| Electronics | 1 |
| General | 1 |
| Life sciences | 4 |
| Materials science | 2 |
| Medical | 1 |
| Metallurgy | 3 |
| Natural sciences | 1 |
| Surveying | 1 |
| Technology | 17 |
| Transport | 4 |
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