checkers : 301 phrase in 32 subjects |
Agriculture | 1 |
Air defense | 2 |
Architecture | 6 |
Artificial intelligence | 1 |
Automobiles | 6 |
Aviation | 2 |
Biology | 6 |
Business | 5 |
Commerce | 1 |
Computers | 2 |
Desert science | 1 |
Earth sciences | 1 |
Electronics | 24 |
Exhibitions | 1 |
Finances | 1 |
General | 16 |
Information technology | 6 |
International trade | 1 |
Laboratory equipment | 1 |
Management | 4 |
Mathematics | 1 |
Metallurgy | 88 |
Multimedia | 2 |
Oil / petroleum | 3 |
Pigeon racing | 3 |
Project management | 5 |
Shipbuilding | 6 |
Space | 5 |
Sports | 1 |
Technology | 94 |
Telecommunications | 3 |
Textile industry | 2 |