Agriculture	88
American usage, not spelling	1
Animal husbandry	8
Antennas and waveguides	5
Astronautics	1
Astronomy	17
Athletics	1
Automated equipment	24
Aviation	1
Bioenergy	3
Biotechnology	1
British usage, not spelling	1
Chemistry	194
Chess	1
Climatology	3
Coal	22
Commerce	3
Communications	10
Computers	3
Construction	303
Cultural studies	2
Cycle sport	4
Dosimetry	1
Earth sciences	222
Ecology	1
Economics	4
Education	1
Electricity generation	3
Electronics	169
Energy industry	246
Environment	102
Equestrian sports	2
Fencing	2
Finances	4
Fish farming pisciculture	2
Food industry	17
Food service and catering	2
Forestry	8
General	197
Genetics	2
Health care	38
Hobbies and pastimes	2
Immigration and citizenship	2
Industry	176
Information technology	26
Insurance	1
International Monetary Fund	1
Isolation	2
Kayaking	2
Labor law	21
Laboratory equipment	1
Law	4
Life sciences	36
Loading equipment	1
Marketing	1
Materials science	125
Measuring instruments	5
Mechanic engineering	114
Mechanics	1
Medical	100
Medical appliances	43
Metallurgy	265
Microbiology	1
Microscopy	1
Milk production	1
Mineral products	1
Mining	1
Municipal planning	52
Name of organization	1
Natural resourses and wildlife conservation	57
Natural sciences	44
Nuclear and fusion power	2
Nuclear physics	16
Packaging	53
Paragliding	1
Patents	6
Pest control	1
Physical sciences	34
Physics	11
Politics	1
Radiation	7
Remote sensing	2
Resins	1
Rowing	2
Sports	3
Statistics	9
Superconductivity	3
Swimming	4
Taxes	1
Technology	163
Telecommunications	4
Textile industry	39
Thermal Energy	7
Toxicology	2
Transport	110
United Nations	4
Wood processing	1