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age distribution : 30 phrases in 18 subjects |
Agriculture | 1 |
Economy | 11 |
Energy industry | 1 |
Forestry | 2 |
Makarov | 1 |
Mass media | 1 |
Mathematics | 2 |
Medical | 1 |
Oil / petroleum | 1 |
Oil and gas | 1 |
Polymers | 1 |
Psychology | 1 |
Pulp and paper industry | 1 |
Quality control and standards | 1 |
Sociology | 1 |
Statistics | 1 |
Technology | 1 |
Wood processing | 1 |