PCB yekuchera nemichina yekugaya maturusi akakosha ekugadzira akadhindwa edunhu mabhodhi (PCBs), kunyanya pakugadzira diki nepakati-mwero.Kuti ive nechokwadi, kugadzikana, uye kusimba, michina iyi inotsamira pazvinhu zvemhando yepamusoro, zvinosanganisira zvimiro ...
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