JA - Electronics and optoelectronics

JD - Use of computers, robotics and its application

JN - Civil engineering

JC - Computer hardware and software

JE - Non-nuclear power engineering, energy consumption and utilization

JB - Sensors, detecting elements, measurement and regulation

JQ - Machinery and tools

JM - Structural engineering

JG - Metallurgy, metal materials

JR - Other machinery industry

JP - Industrial processes and processing

JO - Land transport systems and equipment

JJ - Other materials

JT - Propulsion, engines and fuels

JI - Composite materials

JS - Reliability and quality management, industrial testing

JK - Corrosion and material surfaces

JU - Aeronautics, aerodynamics, aeroplanes

JF - Nuclear energy

JL - Fatigue and fracture mechanics

JH - Ceramics, fire-proof materials and glass

JV - Cosmic technologies

JY - Firearms, ammunition, explosives, combat vehicles

JW - Navigation, connection, detection and countermeasure

BA - General mathematics

BC - Theory and management systems

BB - Applied statistics, operational research

BF - Elementary particle theory and high energy physics

BH - Optics, masers and lasers

BE - Theoretical physics

BM - Solid-state physics and magnetism

BD - Information theory

BI - Acoustics and oscillation

BK - Liquid mechanics

BO - Biophysics

BL - Plasma physics and discharge through gases

BG - Nuclear, atomic and molecular physics, accelerators

BJ - Thermodynamics

BN - Astronomy and celestial mechanics, astrophysics

FD - Oncology and haematology

FJ - Surgery including transplantology

FP - Other medical fields

FH - Neurology, neuro-surgery, nuero-sciences

FA - Cardiovascular diseases including cardio-surgery

FE - Other fields of internal medicine

FF - ENT (ie. ear, nose, throat), ophthalmology, dentistry

FI - Traumatology and orthopaedics

FR - Pharmacology and apothecary chemistry

FB - Endocrinology, diabetology, metabolism, nutrition

FK - Gynaecology and obstetrics

FL - Psychiatry, sexology

FO - Dermatology and venereology

FG - Paediatrics

FN - Epidemiology, infection diseases and clinical immunology

FS - Medical facilities, apparatus and equipment

FC - Pneumology

FM - Hygiene

FQ - Public health system, social medicine

AH - Economics

AE - Management, administration and clerical work

AL - Art, architecture, cultural heritage

AM - Pedagogy and education

AQ - Safety and health protection, safety in operating machinery

AI - Linguistics

AG - Legal sciences

AK - Sport and leisure time activities

AB - History

AC - Archaeology, anthropology, ethnology

AP - Municipal, regional and transportation planning

AN - Psychology

AA - Philosophy and religion

AO - Sociology, demography

AD - Political sciences

AJ - Literature, mass media, audio-visual activities

AF - Documentation, librarianship, work with information

GM - Food industry

GK - Forestry

GD - Fertilization, irrigation, soil treatment

GC - Plant growing, crop rotation

GF - Diseases, pests, weeds and plant protection

GB - Agricultural machines and construction

GG - Zootechnics

GJ - Diseases and animal vermin, veterinary medicine

GA - Agricultural economics

GE - Plant cultivation

GI - Farm animal breeding and farm animal pedigree breeding

GH - Nutrition of farm animals

GL - Fishery