Classification
YFF - Industrial safety regulations
130
TAT - Engineering Standards
30
TEDF - Electric power application
19
TIG - Reliability, safety, quality control
16
CAU - Laboratory and safety engineering in chemistry
13
UAU - Fire, fire protection, safety at the workplace, prevention of accidents
13
HYG - Occupational medicine, sports medicine
10
TEA - Electrical engineering - general
10
UXL - Radiation protection - general aspects
8
TIF - Industrial ( occupational ) safety
5
YFA - Labour legislation
5
HYB - Public health, health politics
4
CLE - Combustion, flames, explosions
3
HRD - Dosimetry, radiation protection - medical aspects
3
TED - Electric power - industrial aspect
3
TEF - Electric machines, electric cables
3
UXN - Radiation protection in nuclear facilities
3
AMA - Education - general
2
LTU - Genetic engineering
2
TCLD - Electromagnetic compatibility, pulse technique
2
TEK - Electric experiments, reliability and technology
2
THD - Design and construction in mechanical engineering
2
THH - Machines
2
THHD - Machine parts
2
TKB - Civil engineering - buildings
2
TNO - Nuclear reactor safety
2
UCA - Environmental problems, man and environment - general aspects
2
YDN - Industrial code
2
ACE - Germanic languages, Indo-Germanic languages
1
CAV - Chemicals, chemical reagents
1
CHRD - Gases and their properties
1
CLM - Catalytic processes
1
ESB - Hydrogen energy
1
HBX - Experimental medicine, laboratory animals
1
HPM - Pharmaceutical industry
1
LAQ - Laboratory and safety engineering in biology
1
LTE - Biotechnology - general aspects
1
TIE - Process engineering
1
TIJ - Furnaces, combustion plants
1
TKJ - Traffic
1
UVA - Environmental chemicals, hazardous materials - comprehensive works
1
UVC - Environmental chemicals, hazardous materials - general aspects
1
UXNB - Radiation protection relating to reactor safety, reactor accidents
1
UXP - Radioactive materials - transport, safety
1
YEB - Legislation on genetic engineering
1