Zazinthu zathu za Signwell. Pamwamba pa pepala ndi yosalala ndi yonyezimira yoyera, popanda kupanikizana ndi kuwonongeka.Zomatira zolimba zolimba zolimba, Zokhala ndi kukhuthala kwamphamvu komanso kusinthasintha kwa kutentha kwabwino, zimakumana ndi muyezo wa 175.105 wa US Food and Drug Administration (FDA), ndipo zitha kugwiritsidwa ntchito mosamala polemba zakudya, mankhwala osokoneza bongo ndi zodzola. Zosanjikiza zapamwamba komanso zachilengedwe zokomera kutentha, popanda zinthu zovulaza bisphenol A.
