Subject
electrical engineering
9
mechanical engineering
6
Engineering
5
environmental management
5
waste water treatment
5
waste processing
4
Mechanical engineering
3
formula
3
machine part
3
mathematics
3
plant classification
3
vegetation
3
Engineering design
2
engineering
2
physics
2
air conditioning
1
aquifer
1
automation
1
business economics
1
business management
1
chemical engineering
1
chemistry
1
civil engineering
1
converter
1
examination
1
geological map
1
heat pipe
1
hydrogeological cycle
1
industrial training
1
items on the examination
1
medicine
1
metal
1
metrology
1
nitrate
1
nitration
1
qualification
1
regional geology
1
sensor (technical and physical)
1
soil acidity
1
soil chemistry
1
soil map
1
soil pollution
1
space heating
1
statistics
1
stratigraphy
1
waste management
1