Yahdu Bisphenol A BPA-based epoxy resin ina waɗi 80% e denndaangal njulaagu epoxy, e ƴellitaare mum ina fotnoo wonde no feewi.Ko ɗum waɗi, ko e ƴellitde karallaagal peewnugol gonngal e heblude golle peewnugol toowɗe, jokkondirɗe e semmbeeji, mbaaw-ɗen ɓurde yahrude yeeso e cellal, go conservation yahde yeeso.

Bisphenol A BPA– ko huunde mawnde e peewnugol polikarbonaat, rokkata palastikuuji laaɓal keewngal e reentaade batte.