mark time: 30 phrases in 16 subjects |
American usage, not spelling | 1 |
Aviation | 1 |
Chess | 1 |
Electronics | 1 |
Geology | 3 |
Geophysics | 1 |
Household appliances | 1 |
Makarov | 3 |
Medical | 1 |
Military | 3 |
Nautical | 2 |
Quality control and standards | 1 |
Sports | 1 |
Technology | 8 |
Television | 1 |
Torpedoes | 1 |