I think they [Gerding Edlen] were the ones who created that traction.
Tan iyo 1956, waxyaabaha TWT ku abuuray guulaha fiican in beerihii sahayda magaalooyinka biyo iyo dheecaan, daawaynta bullaacadaha, macaaneeynta, korontada, saliidda, kiimikada, metallurgy, kuleylka, maraakiibta, daawo, warqad iyo beeraha kale. waxyaabaha u daboolaan oo in ka badan 70 dal ee Maraykanka, Canada, France, Germany iyo wixii la mid ah