 Izinkampani ezithutha impahla zikhokhelwa kahle ngokuthumela impahla ngokushehsa. Ngokuvamile, isikhathi sibalulekile ngamaphepha ebhizinisi, impahla ethengwayo ukuze idayiswe noma enye impahla edingekayo ukuze kwenziwe ukulungisa okusheshayo. 