Accounting	16
Acoustics	2
Acridology	2
Agriculture	245
Analytical chemistry	67
Animal husbandry	1
Antennas and waveguides	7
Astronomy	29
Athletics	1
Automated equipment	193
Aviation	7
Banking	5
Biochemistry	5
Biology	5
Biotechnology	5
Boxing	1
Brewery	1
Building materials	5
Business	4
Cement	3
Chemical fibers	1
Chemistry	153
Coal	37
Commerce	11
Communications	48
Computer numerical control	12
Computers	65
Construction	229
Corporate governance	11
Criminal law	5
Cultural studies	14
Customs	1
Demography	2
Dosimetry	16
Earth sciences	96
Economics	87
Education	30
Electronics	88
Energy industry	1
Environment	147
Finances	153
Fish farming pisciculture	9
Fishery fishing industry	4
Food industry	20
Food service and catering	3
Forestry	50
Foundation engineering	2
Gear train	19
General	225
Genetics	2
Geology	4
Government, administration and public services	3
Gymnastics	3
Health care	58
High energy physics	18
Horticulture	1
Human resources	7
Humorous / Jocular	1
Hydrology	1
Immigration and citizenship	2
Industry	30
Information technology	116
Insurance	16
International Monetary Fund	14
International trade	6
Labor law	54
Laboratory equipment	17
Law	56
Leather	2
Life sciences	132
Linguistics	5
Magnetics	1
Marketing	31
Materials science	31
Mathematics	129
Measuring instruments	42
Mechanic engineering	7
Mechanics	35
Medical	731
Medical appliances	58
Metallurgy	100
Microbiology	7
Microsoft	60
Military	1
Milk production	1
Mineral products	1
Mining	18
Municipal planning	5
Name of organization	42
Natural resourses and wildlife conservation	108
Natural sciences	55
Nautical	5
Nuclear and fusion power	3
Nuclear physics	33
Oil / petroleum	1
Packaging	9
Patents	7
Pest control	1
Pharmacy and pharmacology	25
Physical sciences	1
Physics	8
Politics	20
Radiation	46
Radiography	3
Remote sensing	2
Research and development	6
Road works	1
Sailing	1
Scientific	27
Security systems	2
Social science	9
Sociology	2
Soil mechanics	3
Sports	2
Statistics	166
Superconductivity	8
Surveying	8
Swimming	2
Table tennis	1
Taxes	24
Technology	154
Telecommunications	11
Telegraphy	1
Textile industry	20
Transport	93
United Nations	27
Veterinary medicine	3
Water resources	21
Water supply	1
Welfare & Social Security	1
Wind Energy	1
Wood processing	3
Work flow	13