JA - Electronics and optoelectronics

JM - Structural engineering

JN - Civil engineering

JQ - Machinery and tools

JR - Other machinery industry

JC - Computer hardware and software

JB - Sensors, detecting elements, measurement and regulation

JD - Use of computers, robotics and its application

JG - Metallurgy, metal materials

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

JJ - Other materials

JT - Propulsion, engines and fuels

JI - Composite materials

JO - Land transport systems and equipment

JU - Aeronautics, aerodynamics, aeroplanes

JL - Fatigue and fracture mechanics

JP - Industrial processes and processing

JS - Reliability and quality management, industrial testing

JF - Nuclear energy

JH - Ceramics, fire-proof materials and glass

JK - Corrosion and material surfaces

JY - Firearms, ammunition, explosives, combat vehicles

JV - Cosmic technologies

JW - Navigation, connection, detection and countermeasure

BM - Solid-state physics and magnetism

BA - General mathematics

BC - Theory and management systems

BO - Biophysics

BK - Liquid mechanics

BI - Acoustics and oscillation

BE - Theoretical physics

BL - Plasma physics and discharge through gases

BH - Optics, masers and lasers

BN - Astronomy and celestial mechanics, astrophysics

BB - Applied statistics, operational research

BG - Nuclear, atomic and molecular physics, accelerators

BJ - Thermodynamics

BD - Information theory

BF - Elementary particle theory and high energy physics

CF - Physical chemistry and theoretical chemistry

CD - Macromolecular chemistry

CE - Biochemistry

CI - Industrial chemistry and chemical engineering

CB - Analytical chemistry, separation

CC - Organic chemistry

CA - Inorganic chemistry

CG - Electrochemistry

CH - Nuclear and quantum chemistry, photo chemistry

EB - Genetics and molecular biology

EG - Zoology

EF - Botany

EE - Microbiology, virology

EH - Ecology - communities

ED - Physiology

EI - Biotechnology and bionics

EC - Immunology

EA - Morphology and cytology

AH - Economics

AE - Management, administration and clerical work

AM - Pedagogy and education

AI - Linguistics

AO - Sociology, demography

AA - Philosophy and religion

AK - Sport and leisure time activities

AC - Archaeology, anthropology, ethnology

AN - Psychology

AD - Political sciences

AB - History

AJ - Literature, mass media, audio-visual activities

AL - Art, architecture, cultural heritage

AQ - Safety and health protection, safety in operating machinery

AG - Legal sciences

AP - Municipal, regional and transportation planning

AF - Documentation, librarianship, work with information