As mentioned above the investigation showed that the cell-module production process is one single production process and therefore the question of interchangeability between different steps of a single production process is not applicable.
Nagu juba märgitud, näitas uurimine, et elementide ja moodulite tootmine moodustab ühe tootmisprotsessi ning ühe tootmisprotsessi eri etappide puhul ei ole vastastikuse asendatavuse kriteerium asjakohane.