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Zulüfter m
gen.	supply air fan
Zuluft f =
gen.	additional air; delivery air; supply air; incoming air
chem.	input air
construct.	air intake; plenum air; ingoing air
meas.inst.	air supply (pneumatics)
tech.	fresh air; intake air; inlet air

Zulüfter: 4 phrases in 3 subjects

Construction	2
Electronics	1
Municipal planning	1