Munyika yanhasi inokurumidza kushanduka yetekinoroji, mabhodhi edunhu akadhindwa (PCBs) anoita basa rakakosha mukushanda kwemidziyo yemagetsi. Kubva pamafoni emafoni kusvika kune zvigadzirwa zvekurapa, maPCB ndiwo musimboti wemagetsi emazuva ano, achipa chikuva chezvikamu kuti zvibatanidzwe uye zvibatanidzwe muhurongwa hwakaoma. Mune ino blog, isu tichaongorora kukosha kwePCBs uye maitiro avo pane akasiyana maindasitiri.