Accounting	4
Agriculture	142
Antennas and waveguides	17
Art	2
Astronautics	7
Astronomy	102
Automated equipment	23
Automatic control	6
Banking	6
Business	5
Chemistry	123
Coal	29
Commerce	33
Communications	461
Computer numerical control	6
Construction	97
Criminal law	13
Cultural studies	77
Customs	12
Data processing	2
Demography	15
Dyalysis	2
Earth sciences	170
Ecology	2
Economics	247
Education	22
Electric machinery	3
Electric motors	1
Electric traction	10
Electrical engineering	8
Electricity generation	32
Electronics	605
Employment	1
Energy industry	38
English	1
Environment	149
European Union	8
Finances	662
Fish farming pisciculture	23
Food industry	2
General	836
Government, administration and public services	41
Health care	112
Hobbies and pastimes	12
Human rights activism	10
Immigration and citizenship	47
Industry	59
Information technology	628
Insurance	153
International law	6
International trade	7
Investment	1
Isolation	2
Labor law	126
Labor organization	1
Law	2759
Life sciences	94
Lighting other than cinema	1
Magnetics	3
Marketing	164
Materials science	33
Mathematics	21
Measuring instruments	24
Mechanic engineering	136
Medical	243
Metallurgy	202
Meteorology	1
Microsoft	35
Mineral products	5
Municipal planning	8
Natural resourses and wildlife conservation	2
Natural sciences	28
Nuclear and fusion power	4
Nuclear physics	10
Obsolete / dated	2
Packaging	2
Patents	60
Pharmacy and pharmacology	25
Physical sciences	6
Physics	3
Piezoelectric crystals	2
Politics	79
Power electronics	1
Power lines	4
Power system protection	16
Private international law	8
Procedural law	43
Radio	5
Rail transport	3
Reliability	2
Religion	3
Research and development	1
Scientific	16
Security systems	8
Semiconductors	6
Social science	37
Sociology	2
Sound recording	4
Statistics	106
Taxes	30
Technology	101
Telegraphy	3
Textile industry	3
Thermal Energy	7
Trade unions	2
Transformers	5
Transport	739
United Nations	1
Video recording	1
Work flow	33

eint.