obstacles : 327 phrases in 53 subjects |
Aerohydrodynamics | 1 |
Agriculture | 2 |
Air defense | 2 |
Architecture | 1 |
Armored vehicles | 1 |
Artificial intelligence | 1 |
Athletics | 4 |
Automobiles | 37 |
Aviation | 42 |
Billiards | 1 |
Business | 2 |
China | 12 |
Commerce | 3 |
Communications | 2 |
Computer numerical control | 1 |
Computers | 1 |
Consulting | 1 |
Desert science | 5 |
Diplomacy | 2 |
Dragon dance | 2 |
Earth sciences | 1 |
Ecology | 3 |
Economy | 2 |
Electric machinery | 2 |
Electronics | 8 |
Equestrian sports | 10 |
Fishery fishing industry | 3 |
General | 4 |
Golf | 3 |
Hydroelectric power stations | 2 |
International trade | 2 |
Lighting other than cinema | 1 |
Metallurgy | 6 |
Military | 1 |
Nautical | 3 |
Oil / petroleum | 2 |
Polo | 24 |
Rail transport | 11 |
Rowing | 4 |
Scuba diving | 1 |
Securities | 1 |
Shipbuilding | 2 |
Skiing | 1 |
Soil science | 1 |
Space | 11 |
Sports | 10 |
Submarines | 1 |
Swimming | 1 |
Technology | 66 |
Telecommunications | 9 |
Textile industry | 3 |
Transport | 1 |
Wind Energy | 4 |