Horumarinta degdega ah ee warshadaha elektiroonigga ah, guddiyada PCB waxay noqdeen qayb lama huraan ah oo ka mid ah qalabka kala duwan ee elektiroonigga ah. Haddi ay ahaan lahayd qalabka elegtarooniga ah ee macaamiisha, qalabka elektiroonigga baabuurta, ama caafimaadka, warshadaha iyo qaybaha kale, codsiga PCB-yada ayaa si gaar ah muhiim u ah. looxyada PCB...
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