Accounting	5
Agriculture	94
Antennas and waveguides	2
Art	1
Astronautics	11
Astronomy	1
Automated equipment	6
Automatic control	3
Banking	6
Business	17
Chemistry	106
Coal	9
Commerce	19
Communications	415
Computer numerical control	3
Construction	63
Criminal law	13
Cultural studies	6
Customs	12
Demography	8
Dyalysis	2
Earth sciences	114
Ecology	4
Economics	534
Education	16
Electric machinery	1
Electric motors	1
Electric traction	4
Electricity generation	2
Electronics	415
Employment	1
Energy industry	22
Environment	105
Finances	542
Fish farming pisciculture	21
Food industry	2
Foreign trade	18
General	594
Government, administration and public services	23
Health care	89
Hobbies and pastimes	10
Human rights activism	12
Immigration and citizenship	28
Industry	55
Information technology	425
Insurance	139
International law	5
International Monetary Fund	63
International relations	1
International trade	4
Labor law	46
Law	1071
Life sciences	64
Magnetics	3
Marketing	113
Materials science	19
Mathematics	18
Measuring instruments	5
Mechanic engineering	102
Medical	119
Metallurgy	111
Microsoft	31
Military	2
Mineral products	1
Municipal planning	5
Natural resourses and wildlife conservation	1
Natural sciences	26
Nuclear and fusion power	6
Nuclear physics	3
Obsolete / dated	3
Occupational health & safety	1
Packaging	5
Patents	140
Pharmacy and pharmacology	22
Physical sciences	5
Physics	1
Politics	66
Power system protection	4
Private international law	4
Procedural law	31
Radio	3
Religion	2
Research and development	1
Scientific	12
Scuba diving	1
Security systems	7
Shipbuilding	1
Social science	31
Sociology	2
Statistics	74
Taxes	12
Technology	362
Telegraphy	1
Textile industry	2
Trade unions	1
Transport	453
United Nations	1
Video recording	1
Work flow	30


Redner
gen.	conferenciante; ponente

eint.