A method, system, and computer program product are disclosed for automatically matching the profile of unstructured electronic documents to objective sets of criteria. A hollow drum is turned over and placed on the drum washer by inserting a spray head of the water delivery system through a hole in a top cover of the drum and into the interior of the drum. Said first intermediate layer is adapted to allow a spin-polarized write current to pass between said first FMF layer and said FMS layer, said write current having an amount sufficient to change a relative orientation of said first and third magnetic moments.