p .a : 43 phrases in 21 subjects |
Abbreviation | 2 |
Accounting | 1 |
Air defense | 1 |
Astronautics | 1 |
Aviation | 2 |
Canada | 1 |
Chemistry | 2 |
Construction | 2 |
Economy | 1 |
Education | 2 |
General | 6 |
Information technology | 1 |
Insurance | 1 |
Mathematics | 2 |
Medical | 1 |
Military | 1 |
Mining | 2 |
Obsolete / dated | 1 |
Radio | 8 |
Stock Exchange | 1 |
Technology | 4 |