JA - Electronics and optoelectronics

JN - Civil engineering

JC - Computer hardware and software

JR - Other machinery industry

JG - Metallurgy, metal materials

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

JM - Structural engineering

JD - Use of computers, robotics and its application

JQ - Machinery and tools

JP - Industrial processes and processing

JB - Sensors, detecting elements, measurement and regulation

JO - Land transport systems and equipment

JJ - Other materials

JT - Propulsion, engines and fuels

JI - Composite materials

JL - Fatigue and fracture mechanics

JF - Nuclear energy

JU - Aeronautics, aerodynamics, aeroplanes

JS - Reliability and quality management, industrial testing

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

BK - Liquid mechanics

BC - Theory and management systems

BA - General mathematics

BM - Solid-state physics and magnetism

BL - Plasma physics and discharge through gases

BB - Applied statistics, operational research

BO - Biophysics

BI - Acoustics and oscillation

BJ - Thermodynamics

BG - Nuclear, atomic and molecular physics, accelerators

BH - Optics, masers and lasers

BF - Elementary particle theory and high energy physics

BN - Astronomy and celestial mechanics, astrophysics

BE - Theoretical physics

BD - Information theory

CF - Physical chemistry and theoretical chemistry

CI - Industrial chemistry and chemical engineering

CD - Macromolecular chemistry

CE - Biochemistry

CB - Analytical chemistry, separation

CA - Inorganic chemistry

CG - Electrochemistry

CC - Organic chemistry

CH - Nuclear and quantum chemistry, photo chemistry

AH - Economics

AE - Management, administration and clerical work

AM - Pedagogy and education

AQ - Safety and health protection, safety in operating machinery

AL - Art, architecture, cultural heritage

AJ - Literature, mass media, audio-visual activities

AN - Psychology

AP - Municipal, regional and transportation planning

AC - Archaeology, anthropology, ethnology

AA - Philosophy and religion

AI - Linguistics

AO - Sociology, demography

AK - Sport and leisure time activities

AB - History

AD - Political sciences

AF - Documentation, librarianship, work with information

AG - Legal sciences

DA - Hydrology and limnology

DG - Atmospheric sciences, meteorology

DE - Earth magnetism, geodesy, geography

DF - Pedology

DH - Mining industry including coal mining and processing

DJ - Pollution and water control

DB - Geology and mineralogy

DL - Nuclear waste, radioactive pollution and control

DI - Pollution and air control

DD - Geochemistry

DC - Seismology, volcanology and Earth structure

DO - Protection of landscape

DK - Contamination and decontamination of soil including pesticides

DN - Environmental impact on health

DM - Solid waste and its control, recycling