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Wärmezufuhr f =
gen.	heat supply; heat injection
chem.	addition of heat
construct.	heat intake
energ.ind.	heat output; supply of heat; thermal efficiency
met.	supply oh heat
phys.	heat adduction; heat influx
tech.	heat application; heat input

Wärmezufuhr: 3 phrases in 3 subjects

Chemistry	1
General	1
Mining	1