9 ELECTRONIC CONTROL DEVICES TO BE USED IN PRINTING AND PACKAGING INDUSTRIES-NAMELY REGISTER CONTROLS, PRE-SETTING CONTROLS, WASTE IDENTIFICATION, AND MARKING CONTROLS, VISCOSITY CONTROL, AUTOMATIC CUT-OFF CONTROLS, EDGE GUIDING CONTROLS, PRE-PRINT LENGTH MONITOR, LASER COUNTER, LASER INSPECTION AND QUALITY CONTROL DEVICE, LASER BAR CODE INSPECTION DEVICE