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1. Izintengo Zokuvalwa Zangaphambilini Ezimakethe Ezivamile Ngosuku lokugcina lokuhweba, amanani e-butyl acetate ahlala ezinzile ezifundeni eziningi, nokwehla kancane kwezinye izindawo. Isidingo se-downstream besibuthakathaka, okuholele ekutheni ezinye izimboni zehlise amanani azo okunikezwayo. Kodwa-ke, ngenxa yezindleko eziphezulu zamanje zokukhiqiza, iningi...Funda kabanzi»
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Njengomunye wabahlinzeki bamakhemikhali abakhulu kunabo bonke eSifundazweni SaseShandong, eChina, besihamba phambili ekuhlinzekeni ngemikhiqizo yamakhemikhali esezingeni eliphezulu kusukela ngo-2000. Ubuchwepheshe bethu ekuhlinzekeni ngezinto ezisetshenziswayo zamakhemikhali kanye nabaxhumanisi abakhulu kuye kwasivumela ukuba sibhekelele uhla lwezimboni ezihlukahlukene. Phakathi...Funda kabanzi»