Qaababka qadiimiga ah ee ragga iyo dumarka, jir birta & acetate, alaabada taxanaha ah waxaa lagu habeeyey noocyo kala duwan oo jir ah si ay ugu habboonaadaan qaababka wejiga ee kala duwan, qiimuhuna wuxuu ku habboon yahay qaabka waddamada Bariga Dhexe.