a sensor to indicate if the dispensed label has been taken by the operator if not the label dispenser can issue a warning signal to the operator before the vehicle moves to the next station or the label dispenser can signal to the upper end system through the plc that the label has not been taken an applied in this case the upper end system can signal the operator or hold the vehicle at that station until the label is taken from the dispenser any of these embodiments gives the operator an opportunity to attach the u201c missed u201d label to the vehicle that has entered into the next station fig2 depicts a flowchart of a simplified process in accordance with a preferred embodiment here the product or vehicle being assembled first enters the assembly station step 205 and the upper end system determines the product options step 210 next the upper end system determines from the product options if a label is required at this station step 215 if not this process ends step 250 if a label is required the upper end system signal to the plc which will in turn signal the label dispenser to dispense a.