A system for cleaning an automobile having at least two colored cleaning streams includes a first mixing system for combining a first cleaning composition stream, a first concentrated color composition, and a first water stream to form a first diluted colored cleaning composition. This technique enables the user to use the programming language of his choice. A determination is made as to whether a volatile memory in the second computer comports with an isolation rule for the data item. At least one of these forme cylinder end receiving channels rolls off against a channel in the transfer cylinder.