A computer readable medium comprising instructions which when executed by a computer system causes the computer to implement a method for dynamically improving a process flow is provided. A method for combining a plurality of data streams including using one or more storage devices for processing at least one segment of a data stream, thereby producing a changed segment of the data stream, and providing output of at least the changed segment of the data stream, and combining the output of the storage devices into a combined data stream. A plurality of electrical bus members are coupled to the first portion and the second portion is coupled at or about at least one of the sides of the housing within a second one of the sections thereof. It is ascertained whether or not the attached document was originated at the destination location and is stored at the destination location, from which it is ascertained that the attached document was originated at the destination location and is stored at the destination location. A DC feedback circuit is used by the predriver that maintains the DC level of the inverters to a desired level. The user does not have access to the encryption key, but may have a password that is passed to a controller coupled to the encryptiondecryption engine.