Waldawar Spot hanya ce da ake amfani da ita don haɗa karafa, kuma tana taka muhimmiyar rawa a masana'antu daban-daban, gami da kera motoci, sararin samaniya, da na lantarki. Wata sabuwar hanyar inganta waldar tabo ita ce amfani da fasahar adana makamashin capacitor, wadda ta yi fice saboda...
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