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Einlaufzeit f
econ.	breaking-in period
el.	H.T.warm-up time; warm-up period
meas.inst.	run-in time (equipment or component)
piez.	stabilization time
tech.	run-in period; warm-up time; stabilizing time
transp., mech.eng.	running in period
vac.tub.	H.T. warm-up time