chemicals in cookware, non stick frying pan. pfas ie polytetrafluoroethylene, perfluoroalkyl and polyfluoroalkyl aka

background banned black cancer carcinogen chemicals cook cookware cutout danger dangerous domestic equipment fry frying generic gray grey health isolated kitchen nonstick objects pan pans perfluoroalkyl pfas pfna pfoa pfte polyfluoroalkyl polytetrafluoroethylene potentially tape toxic two typical utensils warning white