Talooyinka ugu sarreeya ee Doorashada Qalabka PCB-ga Isku-dhafka ah iyo Xallinta Arrimaha Guud
Dooro agabka PCB-ga isku-dhafan ee saxda ah adiga oo is waafajinaya CTE, hubinta iswaafajinta, iyo isticmaalka jilitaanka si looga hortago dagaalka iyo arrimaha wax soo saarka.




