Agriculture	35
Astronomy	6
Automated equipment	2
Banking	1
Boxing	1
Business	3
Chemistry	18
Coal	7
Commerce	3
Communications	30
Computers	8
Construction	28
Criminal law	1
Cultural studies	1
Cycle sport	1
Dyalysis	1
Earth sciences	8
Economics	21
Education	2
Electric traction	1
Electronics	6
Environment	35
European Union	7
Finances	44
Fish farming pisciculture	2
Food industry	1
Football	2
Forestry	1
General	95
Government, administration and public services	1
Gymnastics	2
Handball	1
Health care	21
High energy physics	2
Hobbies and pastimes	3
Human rights activism	5
Immigration and citizenship	4
Industry	5
Information technology	10
Insurance	11
International Monetary Fund	17
Labor law	2
Labor organization	2
Law	274
Life sciences	3
Marketing	5
Materials science	1
Measuring instruments	2
Mechanic engineering	7
Medical	27
Medical appliances	1
Metallurgy	13
Microsoft	8
Mineral products	1
Municipal planning	2
Natural resourses and wildlife conservation	3
Natural sciences	2
Nuclear and fusion power	1
Nuclear physics	13
Obsolete / dated	2
Oil / petroleum	4
Packaging	5
Paragliding	1
Patents	21
Pharmacy and pharmacology	1
Politics	14
Power system protection	1
Procedural law	1
Radiation	14
Rail transport	1
Social science	1
Statistics	10
Technology	3
Telecommunications	6
Transport	59
United Nations	2
Water polo	1