<prompt> Kǝrma adǝro fuwutǝ ruwo - Sa 1904 St. Louis Worlds Fair lan  <response>: , Lewisye kәrmu carbon arc searchlight dunyabe dәn zauro kura dәn gәrza dome dәye dәn, fut 135 nәm kәnәngalan fәlezәna. Futu konnuye duno 8 ton, inci 80 General Electricye 1903 lan garratә, konnu konnuye dәye konnu konnu bәlin 1 billiona kozәna. Futu konnuye dǝye carbon arc-a mita 7a dǝn mbeji shidǝ  carbon rods-a dǝn gǝnatin kuru lanzǝ dǝye lanzǝ dǝga fǝlejin, kuru nur dǝga ngǝwujin. 