Yintoni na Ukuguquguquka kweTa yamalahle

Ukuguquguquka kwetar yamalahle kubonisa iqela elibalulekileyo lezinto ngaphakathi kokukhutshelwa kwe-oven ye-coke, ibandakanya i-carcinogens eyaziwayo njenge-benzo(a)ipyrene kunye ne-benzo(b)ianthracene.