Classification
TIE - Process engineering
4
CLE - Combustion, flames, explosions
3
CWE - Chemical engineering, chemical industry - general
3
CXM - Coal combustion
3
EBA - Energy production, energy technology
3
EVP - Energy models, energy system analysis
3
GDA - Engineering geology - general
3
UKH - Environment and power plants, industrial plants
3
TIJ - Furnaces, combustion plants
1
TKJ - Traffic
1