Administrative law	2
Aerodynamics	36
Agriculture	54
Antennas and waveguides	1
Art	4
Artillery	11
Astronautics	1
Astronomy	1
Automated equipment	474
Automatic control	312
Automobiles	48
Aviation	154
Bacteriology	2
Banking	3
Biology	32
Boxing	1
Brewery	3
British usage, not spelling	1
Building structures	1
Business	13
Chemistry	164
Cinema equipment	9
Computers	14
Construction	69
Cosmetics and cosmetology	2
Crystallography	1
Dentistry	1
Drug-related slang	1
Dyes	2
Ecology	23
Economics	22
Education	2
Electrical engineering	7
Electrochemistry	28
Electronics	83
Energy industry	36
Engines	1
Entomology	1
Environment	35
Equestrian sports	1
European Union	2
Figurative	1
Finances	11
Firefighting and fire-control systems	2
Food industry	26
Forestry	1
General	148
Geology	33
Geophysics	3
Germany	2
Greenhouse technology	2
Hydraulic engineering	1
Hydraulics	18
Hydrology	8
Hygiene	2
Idiomatic	1
Informal	4
Information technology	14
Insurance	1
International Monetary Fund	12
Isolation	3
Law	86
Leather	2
Loading equipment	1
Management	8
Marketing	2
Mathematics	10
Meat processing	12
Mechanic engineering	2
Medical	29
Medical appliances	9
Metallurgy	3
Metrology	6
Microelectronics	25
Military	105
Mining	17
Missiles	58
Natural resourses and wildlife conservation	16
Nautical	2
Navy	5
Nuclear and fusion power	14
Nuclear physics	32
Occupational health & safety	3
Oceanography & oceanology	4
Oil / petroleum	39
Optics branch of physics	5
Packaging	9
Photography	2
Pig breeding	1
Plastics	4
Politics	2
Polygraphy	3
Polymers	29
Pompous	2
Poultry farming	1
Production	1
Programming	1
Psychology	16
Public utilities	19
Pulp and paper industry	6
Quality control and standards	6
Quantum electronics	17
Radiation	2
Radio	7
Radiology	2
Rail transport	37
Refrigeration	2
Road construction	1
Road surface	1
Road works	5
Security systems	11
Shipbuilding	29
Silicate industry	24
Sociology	1
Sports	24
Sugar production	2
Technology	124
Textile industry	36
Toxicology	2
Turbines	1
Water supply	39
Welding	13
Wood processing	35
Zootechnics	1