Dunidan casriga ah ee casriga ah, tignoolajiyada casriga ah ee maanta, looxyada wareegyada daabacan (PCBs) ayaa door muhiim ah ka ciyaara aaladaha elegtarooniga ah ee aan la tirin karin. Laga soo bilaabo taleefannada casriga ah iyo laptop-yada ilaa aaladaha caafimaadka iyo aaladaha baabuurta, PCB-yadu waa laf-dhabarta tignoolajiyada casriga ah, taas oo awood u siinaysa qaybaha elektaroonigga ah inay isku xidhmaan ...
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