(1) operational efficiency ::
operacia efikeco(2) operational expenses ::
operaciaj elspezoj(3) operational costs ::
operaciaj kostoj(4) operational research ::
operacia esplorado(5) operational planning ::
operacia planado(6) operational cost ::
operacia kosto(7) operational control ::
funkcia kontrolo(8) operational readiness ::
operaciaj preteco(9) operational procedures ::
operaciaj proceduroj