An assembly line apparatus for the automatic application of different types of labels or cushions or glue (“stickers”) on a workpiece has a transportation device, a plurality of application devices, a central control device, and a first expansive cooperation device. The central control device has first and other communication ports which may each function in accordance with different protocols and standards. The central control device is electronically connected to the transportation device via the first communication port and electronically connected to the application devices via a second or further communication ports. The first expansive cooperation device generates first and second control signals to instruct, via the central control device, the transportation device to move or to stop and to the application devices to apply or not to apply certain stickers on a certain area of a workpiece.