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Waa maxay SBS
SBS (styrene-butadiene-styrene) Poly (styrene-butadiene-styrene) ama SBS, waa caag adag oo loo isticmaalo in lagu beddelo asphalt, si loo sameeyo calaacalaha kabaha, tumannada taayirka, iyo meelaha kale ee adkeysigu muhiim u yahay.Waa nooc ka mid ah wicitaanka koobi-mareenka...Akhri wax dheeraad ah
