kansi : 45 phrases in 14 subjects |
Agriculture | 7 |
Construction | 3 |
Earth sciences | 2 |
Energy industry | 2 |
Hobbies and pastimes | 1 |
Immigration and citizenship | 1 |
Industry | 9 |
Information technology | 2 |
Materials science | 5 |
Mechanic engineering | 3 |
Metallurgy | 1 |
Microsoft | 1 |
Technology | 1 |
Transport | 7 |