Accounting	11
Acoustics	1
Agriculture	142
Antennas and waveguides	1
Astronomy	1
Automated equipment	15
Business	2
Chemistry	66
Coal	23
Commerce	4
Communications	41
Computer numerical control	10
Construction	38
Corporate governance	6
Criminal law	3
Cultural studies	12
Customs	2
Earth sciences	63
Economics	42
Education	15
Electronics	83
Environment	93
Finances	77
Fish farming pisciculture	2
Food industry	6
Forestry	1
General	83
Government, administration and public services	4
Health care	29
Hydraulics	13
Immigration and citizenship	1
Industry	20
Information technology	93
Insurance	12
International trade	2
Labor law	24
Law	38
Leather	2
Life sciences	88
Marketing	28
Materials science	17
Mathematics	106
Measuring instruments	39
Mechanic engineering	6
Medical	302
Metallurgy	44
Microsoft	47
Mineral products	1
Municipal planning	5
Natural resourses and wildlife conservation	1
Natural sciences	25
Nuclear and fusion power	2
Nuclear physics	2
Oil / petroleum	1
Pharmacy and pharmacology	20
Physical sciences	6
Politics	2
Scientific	31
Social science	4
Sociology	2
Statistics	89
Taxes	18
Technology	70
Transport	47
Wood processing	1
Work flow	10

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