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| оптическая пластмасса | |||
| прозрачная пластмасса | |||
| optical plastic: 48 phrases in 6 subjects |
| Cables and cable production | 38 |
| Computer networks | 4 |
| Information technology | 2 |
| Mass media | 2 |
| Pharmacology | 1 |
| Silicate industry | 1 |
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