Accounting	8
Acoustics	1
Agriculture	168
Antennas and waveguides	7
Astronomy	29
Automated equipment	16
Biotechnology	1
Chemistry	92
Coal	8
Commerce	5
Communications	30
Computer numerical control	11
Construction	33
Corporate governance	6
Criminal law	1
Cultural studies	9
Customs	2
Demography	2
Earth sciences	60
Ecology	1
Economics	44
Education	17
Electronics	81
Environment	55
Finances	104
Fish farming pisciculture	3
Food industry	6
Food service and catering	1
Forestry	7
General	75
Government, administration and public services	2
Health care	36
Immigration and citizenship	1
Industry	17
Information technology	86
Insurance	11
International trade	2
Labor law	23
Laboratory equipment	1
Law	35
Leather	2
Life sciences	60
Magnetics	2
Marketing	30
Materials science	14
Mathematics	102
Measuring instruments	38
Mechanic engineering	5
Medical	359
Metallurgy	58
Microsoft	57
Municipal planning	5
Name of organization	1
Natural resourses and wildlife conservation	1
Natural sciences	31
Nuclear and fusion power	1
Nuclear physics	3
Oil / petroleum	1
Packaging	4
Patents	1
Pharmacy and pharmacology	17
Physical sciences	7
Politics	3
Scientific	26
Social science	4
Sociology	1
Statistics	141
Taxes	24
Technology	55
Telegraphy	1
Textile industry	15
Transport	46
Water resources	23
Wind Energy	2
Wood processing	1
Work flow	6