Accounting	11
Acoustics	1
Agriculture	144
Antennas and waveguides	1
Astronomy	1
Automated equipment	15
Business	2
Chemistry	66
Coal	23
Commerce	4
Communications	42
Computer numerical control	10
Construction	41
Corporate governance	6
Criminal law	3
Cultural studies	12
Customs	2
Earth sciences	63
Economics	43
Education	17
Electronics	83
Environment	94
Finances	83
Fish farming pisciculture	2
Food industry	6
Forestry	1
General	98
Government, administration and public services	4
Health care	33
Hydraulics	13
Immigration and citizenship	1
Industry	23
Information technology	94
Insurance	12
International trade	3
Labor law	22
Law	39
Leather	2
Life sciences	93
Marketing	29
Materials science	17
Mathematics	111
Measuring instruments	39
Mechanic engineering	6
Medical	304
Metallurgy	46
Microsoft	47
Mineral products	1
Municipal planning	5
Natural resourses and wildlife conservation	1
Natural sciences	28
Nuclear and fusion power	2
Nuclear physics	2
Oil / petroleum	1
Pharmacy and pharmacology	22
Physical sciences	6
Politics	4
Research and development	1
Scientific	31
Social science	5
Sociology	2
Statistics	90
Taxes	18
Technology	74
Transport	48
United Nations	1
Wood processing	1
Work flow	10

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