Muri iki gihe isi yihuta cyane yikoranabuhanga, imbaho zicapye (PCBs) zifite uruhare runini mumikorere yibikoresho bya elegitoroniki. Kuva kuri terefone zigendanwa kugeza kubikoresho byubuvuzi, PCBs nizo nkingi ya elegitoroniki igezweho, itanga urubuga rwibigize guhuzwa no kwinjizwa muri sisitemu igoye. Muri iyi blog, tuzasesengura akamaro ka PCB ningaruka zabyo mubikorwa bitandukanye.