under tension : 19 phrases in 15 subjects |
Automobiles | 2 |
Aviation medicine | 1 |
Construction | 1 |
General | 1 |
Insurance | 1 |
Leather | 2 |
Makarov | 1 |
Mathematics | 2 |
Medical | 2 |
Oil / petroleum | 1 |
Pulp and paper industry | 1 |
Quality control and standards | 1 |
Seismology | 1 |
Sports | 1 |
Technology | 1 |