successful in producing a desired or intended result
not successful in producing a desired or intended result
effective or productive in relation to its cost
the level of demand that represents a real intention to purchase by people with the means to pay
the temperature of an object calculated from the radiation it emits, assuming black-body behavior
efficace
wirksam
eficaz, efectivo
rentable
rentabel
conveniente
wirken
in vigore a partire da
mit Wirkung vom
zu 90 Prozent wirksam