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aeg tavavalgustuse toite katkemise ja evakuatsioonivalgustuse vajaliku valgustustaseme saavutamise vahel, time between failure of the supply to the normal lighting and emergency lighting reaching the required level of illuminance
aktiveerimise aeg . Valgustehnika terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//valgus/aktiveerimise%20aeg/1/est (29.07.2026)
