Classification
TEA - Electrical engineering - general
2
ACE - Germanic languages, Indo-Germanic languages
1
CNW - Electrochemical energy production and conversion
1
CNWK - Electric batteries
1
ETA - Energy storage
1
ETC - Energy conversion
1
TEDF - Electric power application
1
THH - Machines
1
YFD - Public service legislation
1
YFF - Industrial safety regulations
1
YPGE - Human resource planning, human resource management
1