Worm bụ ogwe aka nwere ma ọ dịkarịa ala otu ezé zuru oke (eriri) gburugburu elu pitch ahụ ma bụrụkwa onye na-akwọ wiil ikpuru. Wheel ikpuru bụ gia nke e bepụrụ ezé n'akụkụ nke ikpuru ga-akwali. A na-eji njikọ gia ikpuru eme ihe iji zipu mmegharị n'etiti ogwe abụọ dị na 90° n'akụkụ ibe ha ma dina n'elu ụgbọelu.CEnwere ike ịhazi ihe eji achọ mma nke ustom draịvụ wormígwè, ígwè anaghị agba nchara, ígwè carbon, ọla kọpa, ọla kọpa ọla, aluminom, ọla kọpa ọla, broze.
Gia ikpuruNgwa:
Ndị na-ebelata ọsọ,ngwaọrụ gia na-egbochi mgbanwe na-eji atụmatụ mkpọchi onwe ya, ngwaọrụ igwe, ngwaọrụ nhazi, ngọngọ yinye, jenereta enwere ike ibugharị wdg eme ihe.