Accounting	20
Acridology	2
Agriculture	581
American usage, not spelling	1
Analytical chemistry	1
Animal husbandry	45
Antennas and waveguides	7
Art	2
Astronautics	13
Astronomy	55
Automated equipment	840
Automatic control	27
Aviation	1158
Banking	36
Basketball	2
Bioenergy	2
Biology	15
Biotechnology	18
Botany	1
British usage, not spelling	2
Building structures	1
Business	2
Cables and cable production	2
Chemistry	155
Chess	4
Cinematography	8
Climatology	6
Coal	100
Commerce	89
Communications	1468
Computer networks	4
Computer numerical control	53
Computers	324
Construction	504
Corporate governance	54
Criminal law	37
Cultural studies	12
Customs	14
Data processing	40
Demography	2
Dosimetry	8
Dyalysis	4
Earth sciences	243
Ecology	4
Economics	308
Education	135
Electric machinery	13
Electric motors	10
Electric traction	11
Electrical engineering	2
Electricity generation	42
Electronics	882
Employment	1
Energy industry	199
Engineering	1
Environment	385
European Union	11
Finances	700
Fish farming pisciculture	41
Fishery fishing industry	24
Food industry	43
Food service and catering	4
Football	2
Forestry	113
Gear train	1
General	1304
Genetics	16
Geography	8
Government, administration and public services	4
Grammar	4
Health care	201
High energy physics	25
Historical	1
Hobbies and pastimes	18
Horticulture	6
Human resources	44
Human rights activism	4
Hydraulic engineering	2
Immigration and citizenship	52
Industry	132
Informal	1
Information technology	1570
Insurance	37
International law	1
International Monetary Fund	133
International trade	20
Isolation	10
Labor law	82
Labor organization	23
Laboratory equipment	2
Law	346
Librarianship	3
Life sciences	135
Linguistics	19
Loading equipment	6
Magnetics	3
Marketing	55
Materials science	50
Mathematics	13
Measuring instruments	35
Mechanic engineering	287
Mechanics	1
Medical	328
Medical appliances	210
Metallurgy	133
Metrology	3
Microsoft	183
Military	29
Mineral products	26
Mineralogy	9
Mining	2
Municipal planning	56
Name of organization	525
Natural resourses and wildlife conservation	208
Natural sciences	167
Nuclear and fusion power	7
Nuclear physics	103
Obsolete / dated	9
Oil / petroleum	2
Packaging	18
Paleontology	4
Patents	46
Pest control	9
Pharmacy and pharmacology	15
Phonology	13
Physical sciences	10
Physics	2
Piezoelectric crystals	2
Planning	3
Plumbing	1
Politics	128
Power lines	3
Power system protection	2
Pragmatics	1
Procedural law	3
Pulp and paper industry	6
Radiation	17
Radio	28
Radiobiology	7
Rail transport	14
Reliability	9
Religion	11
Remote sensing	21
Research and development	23
Sailing	1
Satellite communications	1
Scientific	14
Security systems	11
Semiotics	7
Social science	71
Socialism	2
Sociolinguistics	2
Sociology	7
Soil science	6
Sound recording	16
Sports	17
Statistics	110
Surveying	1
Table tennis	5
Taxes	68
Technology	365
Telecommunications	202
Telegraphy	10
Telephony	9
Textile industry	45
Thermal Energy	7
Thermal engineering	2
Trade unions	4
Transport	1638
United Nations	292
Ventilation	2
Veterinary medicine	3
Video recording	2
Virology	6
Volleyball	1
Waste management	1
Water resources	45
Welding	4
Welfare & Social Security	4
Wind Energy	2
Wood processing	1
Work flow	89