centre of gravity : 53 phrases in 19 subjects |
Airports and air traffic control | 1 |
Athletics | 3 |
Automobiles | 5 |
Aviation | 3 |
Construction | 4 |
General | 2 |
Insurance | 2 |
Judo | 1 |
Law | 1 |
Makarov | 6 |
Military | 1 |
Mining | 3 |
Missiles | 1 |
Nautical | 3 |
Packaging | 1 |
Rail transport | 1 |
Sakhalin | 1 |
Sakhalin A | 1 |
Technology | 13 |