Lock: 57 phrases in 19 subjects |
Automobiles | 1 |
Aviation | 2 |
Chemistry | 4 |
Cinematography | 1 |
Clothing | 1 |
Computers | 1 |
Construction | 1 |
Electronics | 1 |
General | 24 |
Hydrology | 1 |
Informal | 3 |
Jargon | 1 |
Medical | 3 |
Medical appliances | 2 |
Metalworking | 1 |
Microelectronics | 2 |
Military | 3 |
Programming | 1 |
Technology | 4 |