Shenhai e fakamoʻoni fakaʻauha
3,4-ʻOku ʻiloa ʻa Benzopyrene ʻi he valitaa malala ko ha carcinogen lahi.
ʻOku lahi ʻa e koloa ko ʻeni ʻi ha ngaahi maʻuʻanga tokoni kehekehe, kau ai ʻa e kohu mei he ngaahi fale, ifi tapaka, fakavaivaiʻi e meʻalele, pea ʻi he ngaahi kakanoʻi manu ifi tapaka naʻe faʻu lolotonga barbecuing.