Shenhai Explosion-Ubungqina
3,4-I-Benzopyrene ekhoyo kwitela yamalahle ibonwa njengeyona nto iphambili ye-carcinogen.
Le nto ixhaphake kakhulu kwimithombo eyahlukeneyo, kuquka nomsi ophuma kwimizi-mveliso, umsi wecuba, ukukhupha imoto, nakwinyama etshayiweyo eveliswa ngexesha lokosa.