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przemienny n
math.	alternata f

przemienny: 53 phrases in 17 subjects

Chemistry	1
Education	1
Electric motors	2
Electric traction	2
Electricity generation	2
Electronics	12
Lighting other than cinema	1
Mathematics	3
Municipal planning	1
Polymers	2
Power electronics	17
Power lines	2
Rail transport	3
Social science	1
Telecommunications	1
Telephony	1
Thermal Energy	1