Fashewar Shenhai-Hujja
Maɓallin kwal ɗin kwal yana wakiltar gungun abubuwa masu mahimmanci a cikin hayaƙin coke, wanda ya ƙunshi sanannun ƙwayoyin cuta kamar benzo(a)pyrene da benzo(b)anthracene.
Menene Matsalolin Coal Tar
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