Abbreviation	2
Acoustics	3
Aerodynamics	3
Aerohydrodynamics	27
Agriculture	6
Air defense	3
Aluminium industry	4
Ammunition	1
Amphibians and reptiles	2
Anatomy	1
Antennas and waveguides	28
Anthropology	1
Anti-air artillery	3
Archaeology	4
Armored vehicles	55
Artillery	4
Astronautics	90
Automated equipment	193
Automobiles	154
Aviation	107
Biology	4
Biotechnology	2
Botany	4
Brewery	1
Building structures	2
Business	1
Cartography	14
Cement	8
Chemistry	16
Communications	2
Computer networks	1
Computers	8
Construction	111
Cooking	1
Cultural studies	1
Cycling other than sport	2
Dental implantology	26
Dentistry	12
Drilling	21
Ecology	6
Electric machinery	1
Electrical engineering	4
Electricity	1
Electrochemistry	1
Electronics	51
Energy industry	6
Engineering geology	1
Entomology	1
Facilities	5
Firefighting and fire-control systems	2
Fish farming pisciculture	4
Food industry	11
Forestry	17
Gear train	41
General	39
Geography	3
Geology	24
Geophysics	7
GOST	5
Gyroscopes	4
Helicopters	2
Household appliances	3
Hydraulic engineering	6
Hydrobiology	1
Hydrography	1
Hydrology	3
Ice formation	1
Immunology	2
Industry	3
Information technology	9
Karachaganak	1
Laboratory equipment	1
Lasers	1
Leather	1
Level measurement	1
Machine components	2
Machine tools	2
Machinery and mechanisms	15
Makarov	96
Mass media	17
Materials science	1
Mathematics	100
Measuring instruments	3
Mechanic engineering	183
Mechanics	42
Medical	41
Medical appliances	3
Metallurgy	52
Metrology	5
Microbiology	1
Microelectronics	1
Microsoft	2
Military	77
Mineralogy	2
Mining	51
Missiles	3
Molikpaq	4
Mycology	1
Nanotechnology	23
Nautical	37
Navigation	11
Nuclear physics	5
Obsolete / dated	2
Oceanography & oceanology	1
Oil / petroleum	98
Oil and gas	46
Oil and gas technology	32
Oil processing plants	1
Oilfields	23
Oncology	1
Optics branch of physics	2
Packaging	1
Paleontology	5
Perfume	1
Physics	7
Pipelines	7
Plastics	7
Politics	1
Polymers	33
Production	2
Public utilities	1
Pulp and paper industry	13
Pumps	1
Quantum electronics	9
Radiation	3
Radioengineering	25
Radiography	2
Radiolocation	4
Radiology	1
Rail transport	28
Road works	1
Robotics	1
Roll stock	4
Sakhalin	7
Sakhalin R	1
Scuba diving	1
Security systems	1
Seismology	3
Sewing and clothing industry	5
Shipbuilding	9
Silicate industry	7
Slang	1
Space	61
Sports	3
Technology	537
Telecommunications	21
Tengiz	4
Textile industry	63
Thermal engineering	11
Tools	1
Torpedoes	2
Trademark	1
Transport	128
Traumatology	1
Valves	1
Veterinary medicine	1
Water resources	2
Water supply	1
Weapons and gunsmithing	15
Welding	4
Winemaking	2
Wood processing	28
Zoology	2

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