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active content (ssn) |
активное содержание: 15 phrases in 10 subjects |
Aluminium industry | 2 |
Chemistry | 1 |
Electronics | 4 |
Makarov | 1 |
Medical | 2 |
Natural resourses and wildlife conservation | 1 |
Perfume | 1 |
Pharmacology | 1 |
Pulp and paper industry | 1 |
Technology | 1 |