air valve : 104 phrases in 15 subjects |
Automobiles | 3 |
Chemistry | 3 |
Construction | 10 |
Earth sciences | 3 |
General | 20 |
Information technology | 2 |
Materials science | 3 |
Measuring instruments | 1 |
Mechanic engineering | 21 |
Medical appliances | 2 |
Metallurgy | 4 |
Physics | 1 |
Sample preparation | 1 |
Technology | 7 |
Transport | 23 |