A computer-based method of interactively generating an index page displays a window including a list of index page types. Said washing liquid represents an aqueous solution containing a) tertiary aliphatic alkanolamines, at least 30 percent by weight of said tertiary aliphatic alkanolamines being 3-dimethylamino-1-propanol, and b) secondary aliphatic amines, at least 20 percent by weight of said secondary aliphatic amines being piperazin. A PDU security sequence number may also be added to the PDUs. Each of the cores of the clusters may execute the global maintenance command. The specimen is rotated about its cylindrical axis, driven by the rotation of the rollers and specimen chuck.