Subject
machining
6
grinding
4
materials working
4
forging
2
bending
1
ceramics
1
cutting
1
education
1
educational matter
1
electrochemical machining
1
energy conservation
1
explosive forming
1
heating
1
mechanical engineering
1
mechanics
1
pipe
1
polishing
1
sanitary engineering
1
sintered material
1
size measurement
1
steel
1
vocational training
1