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шестибалльный (MichaelBurov) |
six-point : 20 phrases in 13 subjects |
Chess | 1 |
Construction | 2 |
Electronics | 1 |
General | 2 |
Geology | 1 |
Librarianship | 1 |
Makarov | 1 |
Mathematics | 4 |
Mining | 1 |
Oil / petroleum | 2 |
Philately / stamp collecting | 2 |
Silicate industry | 1 |
Technology | 1 |