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change traffic (ssn) |
интенсивность изменения : 34 phrases in 12 subjects |
Aviation medicine | 2 |
Electronics | 3 |
Gold mining | 2 |
Household appliances | 1 |
Mass media | 15 |
Medical | 1 |
Military | 3 |
Oilfields | 1 |
Programming | 2 |
Quality control and standards | 2 |
Scientific | 1 |
Weapons and gunsmithing | 1 |