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humor., abbr.
DOS
Difficult
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189 phrases
in 43 subjects
Agriculture
4
Animal husbandry
6
Architecture
1
Automobiles
3
Aviation
1
Biotaxy
1
Bridge construction
2
Business
3
Chemistry
1
China
6
Commerce
8
Construction
1
Dentistry
2
Desert science
1
Earth sciences
1
Ecology
3
Economics
16
Electricity
1
Energy industry
1
Engineering geology
7
Explosives and Explosive Ordnance Disposal
2
Figure skating
1
General
22
Gymnastics
2
Heavy equipment vehicles
1
Hydroelectric power stations
1
Management
2
Metallurgy
24
Mining
1
Mountaineering
1
Oil / petroleum
2
Plastic surgery
2
Plastics
2
Project management
3
Reproductive biology
1
Scientific
16
Scuba diving
2
Securities
1
Shipbuilding
1
Sports
3
Technology
24
Textile industry
5
Veterinary medicine
1
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