Iskani niz je bil najden v PREVODIH:
Nichtverfügbarkeitszeit
en downtime, non-availability time, period of unavailability, unavailability period
Nutzlebensdauer
en economic life, service life, usable life, useful life period, useful life
Nutzungsdauer
en economic life, effective life, expected useful life, life time of use, life, operating life, operating time, ownership period, period of use, physical life, reservoir life expectancy, service life, tool life, usable lifetime, useful life, utilisation, working life