<prompt> Nyora kupfuurira kweiyi ndima - Nokuda kwe 1904 St. Louis Worlds Fair  <response>: Lewis akanga ane mwenje mukuru wepasi rose wecarbon arc wakaiswa pamusoro pedumba, mamita 135 pamusoro pomugwagwa. Chiedza chematani masere, chemainch 80 chakavakwa neGeneral Electric muna 1903, mwenje wokutsvaka wakabudisa simba remwenje rinenge bhiriyoni rimwe. Mwenje wacho une kabhoni kanosvika mamita manomwe kanovheneka chivhenekerwa nemapuranga ecarbon uye kanoratidzwa mugirazi rakatsikwa rinoita kuti chiedza chiwedzere. 