Makina opangira thumba la zipper pansi (lathyathyathya) pansi, kulumikizana ndi makina owongolera, omwe ali ndi makina owongolera a PLC, oyendetsa ndikuwongolera pansi pamalingaliro osiyanasiyana komanso njira yodziwira zolakwika, yomwe ndi zida zabwino zopangira thumba la zipper pansi, ndi magawo monga pulasitiki / pulasitiki, mapepala / pulasitiki, mapepala / mapepala laminated zipangizo