turn on signifas en esperanta

Angla	Esperanta
turn on ((transitive) to activate an appliance, light, mechanism, functionality etc.) verb [UK: tɜːn ɒn] [US: ˈtɝːn ɑːn]	aktivigi, enŝaltiverb
return on investment (benefit gained by an investor from an investment) noun	rendimento el investonoun

Via historio