A yau, bari mu yi magana game da tarihin juyin halitta na bangarori masu canzawa. A cikin 1879, tun lokacin da Edison ya ƙirƙiri mai riƙe fitila da sauyawa, a hukumance ya buɗe tarihin canji, samar da soket. An ƙaddamar da tsarin ƙaramin canji a hukumance bayan injiniyan lantarki na Jamus Augusta Lausi…
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