error margin: 34 phrases in 16 subjects |
American usage, not spelling | 4 |
Analytical chemistry | 4 |
Astronautics | 3 |
Aviation | 1 |
Business | 1 |
Economy | 1 |
Electronics | 1 |
General | 5 |
Makarov | 3 |
Mass media | 1 |
Meteorology | 1 |
Quality control and standards | 1 |
Seismology | 1 |
Sociology | 1 |
Statistics | 4 |
Technology | 2 |