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Frischluft f =
construct.	plenum air; incoming air; inlet air
mun.plan.	make-up air; clean outdoor air
mun.plan., el., construct.	primary air
refrig.	fresh air; outdoor air; outside air; replacement air
tech.	cold air

Frischluft: 12 phrases in 4 subjects

General	4
Health care	2
Labor law	5
Measuring instruments	1