Esitolo se-inthanethi sakwa-Bednorz uzothola izinhlobonhlobo zokudonsa udlule ngqo esitokweni futhi zithunyelwe ngokushesha. I-Pull-through seal iyisixazululo esiguquguqukayo sokuvikela amasaka nezikhwama, futhi ku-logistics, amakhreyithi okuthutha kanye namakheji okugoqa avaliwe ngokuvikelekile ngezigxivizo ezintweni ezihlukahlukene kanye nemiklamo. Izimpawu zitholakala ngemibala ehlukene futhi zikhona
Yenziwe nge-polypropylene ne-polyamide, ngokuzikhethela ngokuvalwa kwepulasitiki noma kwensimbi. Lezi zibophelelo zidonswa zaqina ukuze kuqinisekiswe ukuthi zifanele ukusetshenziswa okuhlukahlukene. Izigxivizo eziningi ezidonsa ngobude obuguquguqukayo zifakwe izibambi zamalebula futhi zenzelwe ukuthi uphawu lususwe ngaphandle kwamathuluzi.