<prompt> Yakha inguqulo eyinkimbinkimbi yalesi sigwebo Izitsha zingase zigqokwe ngamakhemikhali ayingozi njengama - chromate, i - phosphorus, nopende onesihluthu futhi phansi kwazo ngokhuni kungase kuthathwe izibulala - zinambuzane ezinobuthi.  <response>: Yiqiniso, inguqulo eyinkimbinkimbi yalesi sigwebo ithi Lezi zitsha zingase zigcotshwe ngamakhemikhali ayingozi anjengama - chromate, i - phosphorus, nopende owenziwe ngomthofu futhi phansi kwazo ngokhuni kungase kuphathwe ngemithi yokubulala izinambuzane enobuthi, futhi kunezindleko ezithile nomzamo ohilelekile ekushintsheni lezi zitsha ukuze zenziwe zihlale abantu. 