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рабочее испытание; рабочее первичное |
duty test: 20 phrases in 11 subjects |
Architecture | 1 |
Automobiles | 3 |
Energy industry | 2 |
Makarov | 1 |
Oil / petroleum | 3 |
Polymers | 1 |
Quality control and standards | 1 |
Rail transport | 1 |
Sakhalin | 1 |
Technology | 2 |
Transport | 4 |