A method of testing a flash memory is applied to retrieve the flash memory available by picking up a defective flash memory. A virtual machine monitor calls directly to the guest user-mode handler and the handler transfers control back to the virtual machine monitor, without involving the guest operating system. Each fabricated object may be automatically removed from the conveyor as the conveyor moves in order to restore a buildable surface for fabrication of additional objects. The substrates may be combined in face-to-face abutment, for example using copper-to-copper bonding to form a re-combiner. Perpendicularly extending from the first end of the body are two connection members designed to releasably secure the flange wrench to a conventional flange by engaging with the apertures proximate the pipe opening. The mobile device further includes a processing device configured to group at least two of the speakers into a speaker pair based on the orientation detected by the orientation sensor.