Enwere ike kewaa ikpo okwu igwe ọkụ eletrik n'ozuzu ka ọ bụrụ ebe a na-ebuli ụgbọ ala aluminom, ebe eji ebuli ụgbọ ala mkpasa, na nyiwe ebuli ụgbọ ala crank. Otú ọ dị, n'agbanyeghị ụdị ikpo okwu na-ebuli elu, ọ nwere ụfọdụ njirimara na uru doro anya, ya mere ọ bụ ihe dị mkpa ...
GỤKWUO