Agriculture	3
Aluminium industry	3
Anatomy	15
Armored vehicles	1
Astronautics	1
Automated equipment	21
Automobiles	14
Aviation	4
Biology	1
Bridge construction	1
Building materials	2
Building structures	1
Caspian	22
Cement	8
Chemistry	11
Climatology	2
Combustion gas turbines	7
Communications	1
Construction	63
Drilling	63
Electrical engineering	14
Electronics	17
Energy industry	42
Engineering	5
Facilities	1
Firefighting and fire-control systems	1
Forestry	1
Gas processing plants	5
General	79
Geology	6
Geophysics	7
Gold mining	1
Gynecology	3
Heat exchangers	8
Heat transfer	1
Historical	1
Industry	2
Informal	2
Karachaganak	12
Latin	2
Machine components	1
Machine tools	1
Machinery and mechanisms	2
Makarov	37
Materials science	1
Mathematics	1
Mechanic engineering	28
Mechanics	6
Medical	43
Medical appliances	3
Metallurgy	21
Metrology	1
Military	19
Mining	41
Missiles	1
Molikpaq	35
Music	1
Nanotechnology	2
Nautical	12
Nuclear and fusion power	3
Obsolete / dated	3
Obstetrics	1
Oil / petroleum	204
Oil and gas	150
Oil and gas technology	95
Oil processing plants	8
Oilfields	20
Oncology	3
Otorhinolaryngology	2
Pipelines	146
Plastics	1
Plumbing	4
Polymers	3
Production	18
Pulp and paper industry	2
Pumps	1
Quality control and standards	2
Rail transport	15
Refrigeration	6
Religion	4
Research and development	2
Roll stock	3
Sakhalin	110
Sakhalin A	6
Sakhalin R	2
Sakhalin S	5
Shipbuilding	3
Silicate industry	2
Solar power	1
Soviet	4
Space	14
Technology	248
Telecommunications	1
Tengiz	23
Textile industry	4
Thermal engineering	22
Tools	3
Transport	48
Valves	1
Water supply	1
Weapons of mass destruction	3
Welding	12
Well control	2
Wood processing	2

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