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